CN105068661B - Man-machine interaction method based on artificial intelligence and system - Google Patents

Man-machine interaction method based on artificial intelligence and system Download PDF

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Publication number
CN105068661B
CN105068661B CN201510563338.2A CN201510563338A CN105068661B CN 105068661 B CN105068661 B CN 105068661B CN 201510563338 A CN201510563338 A CN 201510563338A CN 105068661 B CN105068661 B CN 105068661B
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China
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user
information
chat
module
answer
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CN201510563338.2A
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Chinese (zh)
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CN105068661A (en
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王海峰
吴华
�田�浩
赵世奇
孙雯玉
吴甜
忻舟
马艳军
吕雅娟
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百度在线网络技术(北京)有限公司
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor

Abstract

The invention discloses a kind of man-machine interaction method and system based on artificial intelligence, wherein the man-machine interaction method based on artificial intelligence includes the following steps:Receive the input information that user is inputted by application terminal;The intent information of user is obtained according to the input information of user, and input information is distributed to by least one interactive service subsystem according to intent information;Receive returning the result at least one interactive service subsystem return;And returned the result according to preset decision strategy according to generation user is returned the result, and user is returned the result and is provided to user.The embodiment of the present invention, which realizes man-machine interactive system and is changed into from tool, to personalize, and allows user to obtain the interactive experience of light pleasure during intelligent interaction by the services such as chatting, searching for.And it is improved to the search based on natural language from the search of crucial word form, user can carry out exposition need with the natural language of using flexible freely, and the interactive process more taken turns is closer to interpersonal interactive experience.

Description

Man-machine interaction method based on artificial intelligence and system
Technical field
The present invention relates to field of artificial intelligence more particularly to a kind of man-machine interaction method based on artificial intelligence and it is System.
Background technology
Artificial intelligence (Artificial Intelligence) is a branch of computer science, english abbreviation AI, It is research, develops intelligent theory, the new skill of method, technology and application system for simulating, extending and extending people Subject.
As scientific and technological is constantly progressive, search engine essential part in having become for people's lives, and it is increasingly intelligent Change.Currently, the interactive mode of traditional search engine, which is user, inputs search key, search engine returns and user demand phase The search result of pass, and sort according to the sequence of correlation from high to low.User is browsable and clicks search result, and therefrom selects Select information and content interested or that have demand.Wherein, frame computing technique and knowledge mapping technology is utilized in some search engines. Frame computing technique is mainly that search engine directly provides result or service for searching keyword input by user.Such as:With The keywords such as " Beijing weather ", " RMB dollar currency rate ", " May Day has a holiday or vacation " are searched at family in a search engine, can searched for The top of results page shows result.And knowledge mapping technology be intended to by with the relevant knowledge organization of user demand and show into One " knowledge graph ", to meet the demand of the needs of user is to background knowledge and extension.Such as search " Liu Dehua ", by knowing Know graphical spectrum technology, search engine can show the background knowledges such as height, birthday, the films and television programs of Liu Dehua, and " schoolmate ", Other related persons such as " Zhu Liqian ".
In addition, some search systems are also based on natural language, and by way of interacting question and answer with user, Xiang Yong Family provides required resource.Such as:In mobile phone end, user can be by such as:Apple siri, Google google now, hundred The mobile applications such as voice assistant are spent to obtain required resource.Above application is mainly used as carrier by voice, with natural language Form sends out the instructions such as local service, online search to system, and to user feedback result in the form of voice broadcast.
In addition, user can also put question to depth question answering system, corresponding answer is obtained.Such as " which the Yellow River flows through Province ", " which city the capital of Britain is " etc..
But in realizing process of the present invention, inventor has found that at least there are the following problems in the prior art:Current system Be only used for answering already present simple problem in existing knowledge library, and it is higher for complexity, timeliness is strong, subjective with user Relevant depth problem of viewpoint etc. is difficult then to make effective answer.For the search system based on natural language, in actualite After, system needs to continue waiting for next topic of user's proposition, is then answered again.Due between shortage topic Associated information, system can not initiatively continue or be guided out new topic, and the no image of Buddha is continued between men Ground interacts, and lacks initiative and Asn.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention One purpose is to propose that a kind of man-machine interaction method based on artificial intelligence, this method can be based on natural language and carry out more wheels Man-machine interactive system, is changed into the intelligence system to personalize by interaction and search from tool.
Second object of the present invention is to propose a kind of man-machine interactive system based on artificial intelligence.
To achieve the goals above, first aspect present invention embodiment proposes a kind of human-computer interaction based on artificial intelligence Method, including:Receive the input information that user is inputted by application terminal;The use is obtained according to the input information of the user The intent information at family, and the input information is distributed to by least one interactive service subsystem according to the intent information;It connects Receive returning the result at least one interactive service subsystem return;And according to preset decision strategy according to the return As a result it generates user to return the result, and the user is returned the result and is provided to the user.
The man-machine interaction method based on artificial intelligence of the embodiment of the present invention, including following advantages:(1) man-machine friendship is realized Mutual system is changed into from tool to personalize, and by the services such as chatting, searching for, user is allowed to be obtained during intelligent interaction gently Loose pleasant interactive experience, and no longer it is only search and question and answer.(2) it is improved to be based on nature language from the search of crucial word form The search of speech, user can carry out exposition need with the natural language of using flexible freely, and the interactive process more taken turns is closer to person to person Between interactive experience.(3) realize that actively search develops into round-the-clock company formula service, the personalization based on user from user Model can provide the services such as recommendation to the user whenever and wherever possible.
Second aspect of the present invention embodiment proposes a kind of man-machine interactive system based on artificial intelligence, including:First connects Receive subsystem, the input information inputted by application terminal for receiving user;Distribution subsystem, for according to the user's Input information obtains the intent information of the user, and according to the intent information is distributed to the input information at least one Interactive service subsystem;Second receiving subsystem, the return knot returned for receiving at least one interactive service subsystem Fruit;Subsystem is generated, is returned the result for returning the result generation user according to according to preset decision strategy;And it provides Subsystem is provided to the user for returning the result the user.
The man-machine interactive system based on artificial intelligence of the embodiment of the present invention, including following advantages:(1) man-machine friendship is realized Mutual system is changed into from tool to personalize, and by the services such as chatting, searching for, user is allowed to be obtained during intelligent interaction gently Loose pleasant interactive experience, and no longer it is only search and question and answer.(2) it is improved to be based on nature language from the search of crucial word form The search of speech, user can carry out exposition need with the natural language of using flexible freely, and the interactive process more taken turns is closer to person to person Between interactive experience.(3) realize that actively search develops into round-the-clock company formula service, the personalization based on user from user Model can provide the services such as recommendation to the user whenever and wherever possible.
Description of the drawings
Fig. 1 is the flow chart of the man-machine interaction method according to an embodiment of the invention based on artificial intelligence.
Fig. 2 be it is according to an embodiment of the invention according to preset decision strategy according to return the result generate user return As a result flow chart.
Fig. 3 is the flow chart that need satisfaction service subsystem according to an embodiment of the invention executes step.
Fig. 4 is the flow chart that vertical class service module according to an embodiment of the invention executes step.
Fig. 5 is that the interaction according to an embodiment of the invention that at least one wheel is carried out with user obtains the inquiry of user's needs As a result the flow chart of detailed process.
Fig. 6 is the flow chart of the process of the relevant information according to an embodiment of the invention for obtaining corresponding query word.
Fig. 7 is the schematic diagram one of the user interface of the relevant information comprising query word.
Fig. 8 is the schematic diagram two of the user interface of the relevant information comprising query word.
Fig. 9 is the schematic diagram three of the user interface of the relevant information comprising query word.
Figure 10 is the schematic diagram four of the user interface of the relevant information comprising query word.
Figure 11 is the flow chart that chatting service subsystem according to an embodiment of the invention executes step.
Figure 12 is the flow chart that guiding according to an embodiment of the invention and recommendation service subsystem execute step.
Figure 13 is the effect diagram of topic collection of illustrative plates according to an embodiment of the invention.
Figure 14 be network text data according to an embodiment of the invention be semi-structured data when effect diagram.
Figure 15 be network text data according to an embodiment of the invention be structural data when effect diagram.
Figure 16 is the effect diagram according to an embodiment of the invention for obtaining user browsing behavior data.
Figure 17 is the effect diagram according to an embodiment of the invention for establishing topic collection of illustrative plates.
Figure 18 is the structural schematic diagram one of the man-machine interactive system according to an embodiment of the invention based on artificial intelligence.
Figure 19 is the structural schematic diagram one according to an embodiment of the invention for generating subsystem.
Figure 20 is the structural schematic diagram two according to an embodiment of the invention for generating subsystem.
Figure 21 is the structural schematic diagram two of the man-machine interactive system according to an embodiment of the invention based on artificial intelligence.
Figure 22 is the structural schematic diagram three of the man-machine interactive system according to an embodiment of the invention based on artificial intelligence.
Figure 23 is the structural schematic diagram four of the man-machine interactive system according to an embodiment of the invention based on artificial intelligence.
Figure 24 is the structural schematic diagram of need satisfaction service subsystem according to an embodiment of the invention.
Figure 25 is the structural schematic diagram of vertical class service module according to an embodiment of the invention.
Figure 26 is the structural schematic diagram one of interactive submodule according to an embodiment of the invention.
Figure 27 is the structural schematic diagram two of interactive submodule according to an embodiment of the invention.
Figure 28 is the structural schematic diagram of the 4th acquiring unit according to an embodiment of the invention.
Figure 29 is the structural schematic diagram of depth question and answer service module according to an embodiment of the invention.
Figure 30 is the structural schematic diagram one according to an embodiment of the invention for generating submodule.
Figure 31 is the structural schematic diagram two according to an embodiment of the invention for generating submodule.
Figure 32 is the structural schematic diagram three according to an embodiment of the invention for generating submodule.
Figure 33 is the structural schematic diagram one of information search service module according to an embodiment of the invention.
Figure 34 is the structural schematic diagram two of information search service module according to an embodiment of the invention.
Figure 35 is the structural schematic diagram one of chatting service subsystem according to an embodiment of the invention.
Figure 36 is the structural schematic diagram two of chatting service subsystem according to an embodiment of the invention.
Figure 37 is the structural schematic diagram of the chat module according to an embodiment of the invention based on search.
Figure 38 is the structural schematic diagram of rich knowledge chat module according to an embodiment of the invention.
Figure 39 is the structural schematic diagram one of the chat module according to an embodiment of the invention based on portrait.
Figure 40 is the structural schematic diagram two of the chat module according to an embodiment of the invention based on portrait.
Figure 41 is the structural schematic diagram three of chatting service subsystem according to an embodiment of the invention.
Figure 42 is the structural schematic diagram four of chatting service subsystem according to an embodiment of the invention.
Figure 43 is the structural schematic diagram five of chatting service subsystem according to an embodiment of the invention.
Figure 44 is the structural schematic diagram six of chatting service subsystem according to an embodiment of the invention.
Figure 45 is the structural schematic diagram one of guiding and recommendation service subsystem according to an embodiment of the invention.
Figure 46 is the structural schematic diagram two of guiding and recommendation service subsystem according to an embodiment of the invention.
Figure 47 is the structural schematic diagram three of guiding and recommendation service subsystem according to an embodiment of the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar module or module with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the man-machine interaction method and system based on artificial intelligence of the embodiment of the present invention are described.
Fig. 1 is the flow chart of the man-machine interaction method according to an embodiment of the invention based on artificial intelligence.
As shown in Figure 1, the man-machine interaction method based on artificial intelligence may include:
S1, the input information that user is inputted by application terminal is received.
Wherein, application terminal may include the ends PC, mobile terminal or intelligent robot.Input information can be text message, Image information or voice messaging.
S2, the intent information that user is obtained according to the input information of user, and distributed input information according to intent information To at least one interactive service subsystem.
Wherein, interactive service subsystem may include need satisfaction service subsystem, guiding and recommendation service subsystem and chat Its service subsystem etc..In one embodiment of the invention, the intent information of user can be obtained according to the input information of user, Then input information is distributed to according to intent information by above-mentioned interactive service subsystem.
In addition, also can receive user customized task information, and according to customized task information by input information be distributed to A few interactive service subsystem.Such as:The task of some users only scans for, then customized demand can only be needed to meet service System;The task of some users not only needs to search for, but also chats, then may customize need satisfaction service subsystem and chat Service subsystem, it is above to be customized according to user's actual need.
S3, returning the result at least one interactive service subsystem return is received.
S4, it is returned the result according to preset decision strategy according to generation user is returned the result, and user is returned the result and is carried It is supplied to user.
Specifically, as shown in Fig. 2, generating user according to preset decision strategy and returning the result and may include according to returning the result Following steps:
S41, the demand analysis feature for obtaining input information.
S42, the dialogue interactive information for obtaining the confidence characteristic returned the result, user that interactive service subsystem returns Contextual feature and the personalized model feature of user.
S43, according to demand analyze feature, the confidence characteristic returned the result, user dialogue interactive information context Feature and the personalized model feature of user carry out decision to determine that user returns the result to returning the result.
Specifically, to returning the result progress decision following feature is based primarily upon to determine that user returns the result:1, it needs Analysis feature is sought, information carries out demand analysis the problem of by user, and the question and answer service mould for more meeting user demand may be selected The question and answer result that block provides.2, question and answer result confidence characteristic, the question and answer result that each question and answer service module provides, which all has, sets The high question and answer result of confidence level may be selected in reliability.3, the contextual feature of the dialogue interactive information of user may be selected more to meet The question and answer result of context information.4, the question and answer knot for more meeting users ' individualized requirement may be selected in the personalized model feature of user Fruit.Wherein, demand analysis feature, the confidence characteristic of question and answer result, user dialogue interactive information contextual feature and The personalized model feature of user is corresponding with respective decision weights respectively.Decision is carried out to question and answer result based on features above, So that it is determined that final question and answer result.After the final question and answer result of determination, user can be fed back to, to meet the need of user It asks.Wherein, question and answer result can also feed back to user by way of voice broadcast by way of screen display.Using The mode of voice broadcast so that the process of human-computer interaction is easier, natural.
In addition, can also according to the daily record of user based on enhancing learning model to the confidence of demand analysis feature, question and answer result The decision weights of degree feature, the contextual feature of the dialogue interactive information of user and the personalized model feature of user are instructed Practice, to provide the question and answer result for more meeting user demand to the user.
Wherein, demand analysis feature, the confidence characteristic returned the result, user dialogue interactive information contextual feature And the personalized model feature of user is corresponding with respective decision weights respectively.
After generating user and returning the result, user can be returned the result and be converted into natural language and report to user.When So, also can user directly be returned the result into corresponding text and is presented to user.
In one embodiment of the invention, if user return the result in include to execute instruction, execution can be referred to Order is sent to corresponding executive subsystem, and is executed by executive subsystem.Wherein, it executes instruction and may include but not only limit Story instruction etc. is instructed, plays musical instruction and reads aloud in hardware action.For example, hardware action instruction is mainly for intelligence Can robot, intelligent robot can have a hardware building block such as head, trunk, four limbs, thus executable such as " nodding ", " laughing at ", " putting your hands up " etc. manipulate the instruction of intelligent robot hardware building block.Musical instruction is played usually to may include Start to play, stop playing, is upper one first, next, louder, sound it is a little bit smaller etc..It should be noted that user is for specific The search (such as " being suitble to the music listened before sleeping ", " song pleasing to the ear Zhou Jielun ") of the music such as type or style simultaneously is not belonging to play sound Happy instruction.It reads aloud story instruction and is primarily directed to the application towards children, as intelligent robot needs to replace parent to children It tells a story.It is similar with musical instruction is played, scan for also being not belonging to read aloud event to the story of specific subject, personage, plot etc. Thing instructs.
In addition, after receiving the input information that user is inputted by application terminal, the friendship interacted with user can be also obtained Then mutual information above can carry out completion according to interaction information above to input information.Specifically, in mostly wheel interactive process, User would generally omit a part of content in input information above based on dialogue, it is therefore desirable to completion is carried out to input information, To clarify the demand of user.Such as:Dialogue is above for " what snack Beijing has", and input information is " that specialty", It then needs to carry out completion to input information, generating new problem information, " what specialty Beijing has”.
In an embodiment of the present invention, if there is no the users for meeting user demand to return the result in Internet resources, The input information of user is then can record, is then monitored in Internet resources with the presence or absence of the user for meeting user demand with predetermined period It returns the result, and in the presence of user returns the result, user can be returned the result and be provided to user.For example, user searches for One film just shown, but there is no respective resources in Internet resources at present, then can record this demand of the lower user, and According to whether there are respective resources in some cycles network resource search.It, can be by the resource supplying after searching respective resources To user, that is, realize asynchronous need satisfaction.
As shown in figure 3, need satisfaction service subsystem can perform following steps:
S31, problem information input by user is obtained.
Wherein, problem information can be text information, can also be voice messaging.For example, problem information input by user " there is any snack in Beijing”.
S32, the user demand information that user is obtained according to problem information.
Specifically, demand analysis can be carried out to problem information, to obtain the user demand information of user.For example, User demand information can be hang down class demand, Aladdin demand, depth question and answer demand, information search request etc..
S33, problem information is distributed to by corresponding at least one question and answer service module according to user demand information.
Wherein, question and answer service module may include Aladdin service module, the class service module of hanging down, depth question and answer service module and Information search service module.
In one embodiment of the invention, when user demand information is Aladdin demand, problem information can be distributed To Aladdin service module;When user demand information is to hang down class demand, problem information can be distributed to vertical class service module;When When user demand information is depth question and answer demand, problem information can be distributed to depth question and answer service module;When user demand is believed When breath is information search request, problem can be distributed to information search service module.
Wherein, Aladdin service is that the general designation of a kind of service precisely met, such as dollar can be provided for user demand Exchange RMB, the Spring Festival in 2015 has a holiday or vacation.For example, information is that " whom the wife of Liu Dehua is the problem of user", then may be used The problem information is analyzed, it is " personage " that can analyze demand type, and inquiry main body is " Liu Dehua ", and querying attributes are " wife ", and can querying attributes be subjected to normalizing, it is " wife " by querying attributes normalizing.Then it searches for and obtains result field and be " Zhu Liqian ", then question and answer result " Liu De is generated based on spatial term technology (Natural Language Generation) The wife of China is Zhu Liqian ".Again for example:The problem of user, information was " Beijing will be hot tomorrow", by searching for and obtaining result word Section is " 35 degrees Celsius ", can be based on commonsense knowledge base and default rule, and generating question and answer result, " weather will be awfully hot tomorrow, the highest temperature Degree is 35 degrees Celsius, it is proposed that pays attention to reducing temperature of heatstroke prevention." wherein, commonsense knowledge base may include common sense class knowledge, as temperature is taken the photograph higher than 30 Family name's degree, which belongs to, to be warm.
Class service of hanging down is that the service, such as " ordering air ticket " etc. of more wheel interactions are carried out for class demand of hanging down.Class of hanging down service is main By talking with control technology (Dialogue Management) and dialog strategy technology (Dialogue Policy), to user's Demand is clarified, to provide a user the question and answer result for meeting user demand.For example, information is the problem of user " air ticket in Beijing to Shanghai " can then analyze the problem information, and " which your departure date is for right rear line rhetorical question It", user answers " tomorrow ", and then proceeding to rhetorical question, " whether you require airline" etc., gradually clarify the need of user It asks, and finally returns that the question and answer result for meeting user demand.
S34, the question and answer of at least one question and answer service module return are received as a result, and carrying out decision to question and answer result with determination Final question and answer result.
Wherein, to question and answer result carry out decision with the implementation method of the final question and answer result of determination in step S43 to returning It returns result and carries out decision to determine that the technological means that the implementation method that user returns the result is used is consistent, do not repeat herein.
Specifically, as shown in figure 4, the class service module that hangs down can perform following steps:
S331 obtains query word input by user.
In one embodiment of the invention, user can input inquiry word in several ways, for example, user can be with text Originally, voice or image input inquiry word.
The voice of input or image can be converted to when either image inputs by user by voice in user and facilitate understanding Natural language query word, and corresponding text is shown on interactive interface.
For example, after user is by voice mode input inquiry word, language model can be based on and turn voice input by user It is changed to corresponding text, and shows query word input by user on interactive interface in the form of natural language.
S332 determines the vertical class that query word belongs to.
Specifically, after obtaining query word input by user, it is thus necessary to determine that the vertical class that query word belongs to subsequently is existed with facilitating It under the vertical class that query word belongs to, is interacted with user, or obtains the relevant information of query word.Currently, a variety of sides can be passed through Formula determines that the vertical class belonging to query word, user can be selected according to actual demand, be illustrated below:
(1) vertical class that query word belongs to is determined based on machine learning mode.
Specifically, it excavates and marks and the relevant inquiry of vertical class from search engine logs (including phonetic search) first (query), the relevant training data set of class of hanging down is built, feature, training machine Study strategies and methods then are extracted to training data (such as maximum entropy model, support vector machines) classifies to class demand inquiry of hanging down according to the feature extracted, and is inquired with determining The correspondence of word and vertical class, and preserve the correspondence of query terms and vertical class.
Wherein, it should be noted that during classification, for multiple vertical classes, all categories may be used and unify mould Type is classified more, and the independent model two of class that each hangs down can also be used to classify, finally unify decision.
Specifically, after obtaining query word, it can determine that query word is corresponding with the correspondence of vertical class by query word Vertical class.For example, after receiving query word input by user and being " novel of giant silkworm potato ", due to including author in query word Name, the words such as novel can determine that the corresponding vertical class of the query word is the vertical class of novel by machine learning mode.
(2) vertical class that query word belongs to is determined based on pattern analysis mode.
In order to determine vertical class that query word belongs to based on pattern analysis mode, determine vertical class that query word belongs to it Before, it hangs down class (such as novel hangs down class, and hang down class, place of cuisines is hung down class, the vertical class in restaurant etc.) for every class, lists of keywords can be built, And preserve the correspondence to hang down between class and keyword.
After receiving query word input by user, the technologies such as participle, name Entity recognition can be based on, to the reality in inquiry Body and keyword are parsed, and the set of modes of analysis result matching verticals categories is used in combination to be dealt into correspondence if successful match Verticals categories.
For looking for the vertical class in restaurant:It is assumed that the query word that user currently inputs is " quiet dining room near three inner villages ", it is first It the basic morphological analysis such as first segments, name Entity recognition to this query, the corresponding moulds of the query can determine by analysis Formula is:[place] _ [style] _ [dining room].The independent mining mode set of each classification.That is, for be distributed Query first, then will analysis by segmenting, naming the basic morphological analysis mode such as Entity recognition to analyze query As a result it is matched with the set of modes of verticals categories, if successful match, is distributed to corresponding verticals categories.
S333 carries out the interaction of at least one wheel with user, obtains the inquiry of user's needs in the vertical class that query word belongs to As a result, wherein when often wheel interaction, show the information of user to include:The query result of corresponding query word, and, guidance information.
In one embodiment of the invention, in the vertical class that query word belongs to, the interaction of at least one wheel is carried out with user The detailed process of the query result of user's needs is obtained, as shown in figure 5, may include:
Query word is resolved to the structuring letter that the vertical class knowledge hierarchy for the vertical class that query word belongs to can indicate by S3331 Breath.
Wherein, each vertical class knowledge hierarchy for hanging down class pre-establishes, and class knowledge hierarchy of hanging down is to be based on verticals categories knot The information and user demand that structure webpage provides indicate what Establishing got up.
Wherein, user demand indicates that system is the semantic expressiveness system of user demand and can specifically be indicated from user demand Semantic and structure knowledge is excavated in system.
It should be noted that user demand is determined according to query word.That is, being wrapped in user demand expression system Containing largely query word corresponding with user demand, by analyzing query word, the semanteme and knot of query word can be therefrom obtained Structure knowledge.
The architectonic structure type of vertical class of each class of hanging down is different, and a sagging architectonic knot of class is exemplified below Configuration formula.
For example, restaurant is hung down, the architectonic structure type of vertical class of class is as shown in table 1.
The architectonic structure type of vertical class of the vertical class in 1 restaurant of table
It can be seen from Table 1 that restaurant is hung down comprising the relevant position in each restaurant, the style of cooking, mouth in the vertical class knowledge hierarchy of class Multiple dimensional informations such as taste, environment and the possible value of each dimension.
S3332, according to structured message, class of hanging down knowledge hierarchy, and, the vertical class resources bank for the vertical class that query word belongs to, Obtain relevant information.
Wherein, relevant information can include but is not limited to the query result and guidance information of corresponding query word.
In one embodiment of the invention, in order to the vertical class resource for the vertical class that query word belongs to, step can be obtained Before S3332, the unstructured resource and unstructured resources of the vertical class that query word belongs to can also be obtained, and by unstructured resource The class resources bank that hangs down is formed with unstructured resources.
Wherein, unstructured resource is the full dose data money obtained after multiple corresponding vertical class website crawl integral datas Source, the supplement for the unstructured resource that unstructured resources are obtained according to user's query word or internet text mining or extension are believed Breath.
Below by taking novel as an example explanation according to novel hang down class unstructured resource and unstructured posture composition novel hang down class Vertical class resource process.
Complicated architecture is presented in the unstructured resource of usual verticals categories, is forming the vertical class resource of the vertical class of novel In the process, the unstructured resource of the vertical class of novel can be first obtained, specifically, can pass through and capture starting point Chinese network, in length and breadth Chinese network, Shanxi The information of novel establishes full dose data resource on the mainstreams Chinese novel websites such as river, red sleeve, 17K novels net, novel reading net.
Then, it is full can to obtain novel name, author, classification, label word, resource for the unstructured resources for class of hanging down for novel The resources such as foot link, novel brief introduction, novel periphery and encyclopaedia information, and the above-mentioned resource obtained is integrated.Finally may be used By after integration resource and above-mentioned full dose data resource preserve to vertical class resources bank, entered with completing the hang down vertical class resource of class of novel Library.
Wherein, it is to be understood that for other classes of hanging down, the process for obtaining its corresponding vertical class resource is hung down with novel is obtained The process of the vertical class resource of class is identical, and details are not described herein again.
In one embodiment of the invention, the process of the relevant information of corresponding query word is obtained, as shown in fig. 6, can be with Including:
S33321 updates the current state information of user according to structured message and the previous status information of user.
According to the common conversation process in vertical class scene, realize that the state space construction of conversational system and interactive strategy are initial Change.Specifically, after user's first time input inquiry time, the initial of user can be obtained according to the preference or interactive history of user Change status information.
S33322 generates the corresponding candidate actions of current state information according to vertical class knowledge hierarchy and vertical class resources bank.
Wherein, above-mentioned candidate actions may include:Meet the action of user demand, alternatively, further clarifying user demand Action, alternatively, providing guidance information laterally or longitudinally for user demand.Wherein, user demand is determined according to query word.
S33323 selects in candidate actions with current state information matching degree higher default according to preset model Several candidate actions, using the candidate actions selected as relevant information.
Specifically, after the corresponding candidate actions of current state information, preset model such as POMDP can be based on (partially observable Markov decision processes, partially visible markov decision process) model Selection and the candidate actions of the higher predetermined number of current state information matching degree from multiple candidate actions, and by selection Candidate actions return to user, answering with dialogue function used by a user as the query result and guidance information of query word With the query result and guidance information for showing query word in the current interface of program.
Wherein, meet the action of user demand, alternatively, further the action of clarification user demand after being selected as looking into It askes as a result, providing guidance information laterally or longitudinally after being selected as guidance information for user demand.
Wherein, predetermined number is preset, for example, predetermined number is 5, it is assumed that according to vertical class knowledge hierarchy and vertical class Resources bank, the candidate actions for generating current state information are 10, are believed with current state at this point, can be selected by POMDP models Higher 5 candidate actions of matching degree are ceased, and the candidate actions selected are returned into user as relevant information.
S3333 shows query result and guidance information to user.
S3334 is repeated above-mentioned according to the related letter of query word acquisition after user is according to guidance information again input inquiry word The flow of breath, until obtaining the query result of user's needs.
In one embodiment of the invention, can also according to user feedback update preset model parameter, so as to Parameter not different candidate actions of simultaneous selection.That is, after user again input inquiry word, it can be defeated again according to user The parameter of the query word adjustment preset model entered, so that preset model is that user selects different candidates according to the parameter after adjustment Action.Guidance information is provided according to current state information and meet information, the corresponding guidance information of different conditions information and full Sufficient information is different, system can be provided according to current state information and user demand it is optimal meet information and guidance information, to draw Lead the vertical category information of user's inquiry.
For example, the query word of active user's input is " western-style restaurant ", it may be determined that the corresponding vertical class of the query word is hung down for cuisines Class, while can determine that the user demand of active user is that a western-style restaurant is looked for have a meal by query word, due to when according to query word It not can determine that user needs what kind of western-style restaurant, at this point, can a variety of candidates according to vertical class knowledge hierarchy and vertical class resources bank Action, and by POMDP models select with higher 13 candidate actions of current state information matching degree, and by selection 13 candidate actions are that the relevant information of inquiry returns to user.Wherein, the inquiry knot shown in the current interface of active user Fruit is not as shown in fig. 7, can determine that user needs what kind of western-style restaurant according to query word, at this point, bootable user provides more Add detailed first guidance information, and possible answer corresponding with the first guidance information is provided, i.e. the second guidance information, with User is facilitated to select or input.Wherein, user can also be checked and the first tutorial message phase by clicking next instruction button Other corresponding answers." after asking client to have a meal " is clicked in user, the query word that can be currently inputted according to user is determined for compliance with use One restaurant of family demand, and obtain with the query result of current queries word and guidance information comprising current queries word The interface of relevant information, as shown in figure 8, at this point, user can be according to guidance information, more asking about restaurant is putd question in progress one Topic, such as whether there is wifi, if the problems such as facilitating parking.
For another example if the query word of active user's input is " novel of giant silkworm potato ", in the inquiry for receiving user After word, the title for including storywriter in query word is can determine by semantic analysis, can determine that query word corresponds to according to query word Vertical class be novel hang down class, while by query word can determine user be intended to according to authors' name inquire books, can be according to author Name obtains corresponding candidate actions, and the corresponding relevant information of query word is shown in application program used by a user, including The interface form of the relevant information of query word is as shown in figure 9, at this point, user can click corresponding title according to demand.In addition, with Family is also by clicking the first button, to carry out account login or flush message record.
For another example if the query word of active user's input is " nice Korean barbecue ", it is input by user receiving Can be cuisines vertical class in restaurant by the corresponding vertical class of query word, specifically, query word can be resolved to vertical class knowledge after query word The structured message that system can indicate, and hung down according to structured message, hang down vertical class that class knowledge hierarchy and query word belong to Class resources bank obtains the corresponding query result of query word and guidance information, and by the query result of the query word obtained and guiding Information return to user comprising the relevant information of query word user interface, as shown in Figure 10, at this point, user can basis Guidance information optionally one, can also directly determine this family shop according to demand.In addition, user can also be by clicking next prompt Button checks other guidance informations.
In summary, the information query method based on artificial intelligence of the embodiment has the advantages that:(1) and it is logical It crosses search engine lookup to compare, in query process, the information inquiry mode of the embodiment, which does not need user, verticals categories Deeper understanding guides user's accurate description demand, and provide to the user according to demand corresponding more by way of taking turns interaction Query result and guidance information.(2) class website browsing mode of hanging down is compared, the information inquiry mode of the embodiment does not need user Browse a large amount of webpage, and the information useless without artificial filter, the useless information of the inquiry mode intelligent filtering, only user Relevant information with query word is provided.
(3) relevant conversational system, the information inquiry mode of the embodiment, for answering for verticals categories resource structures are compared Polygamy does particular procedure, generates the state space based on vertical class entity structure, can expire to the deep-seated problem in class of hanging down Foot, and user's input inquiry word again is prompted by guidance information, to carry out the inquiry of next round, that is to say, that the implementation Information inquiry mode is by showing that guidance information can effectively guide user to provide correct problem.
The service of depth question and answer is for problem information input by user, based on deep semantic analysis and knowledge excavation skill Art, to provide the service of accurately question and answer result to the user.When user demand information is depth question and answer demand, depth question and answer Service module can receive problem information, and obtain corresponding problem types according to problem information, then be selected according to problem types Corresponding question-answering mode, and pattern and the corresponding question and answer result of problem information generation are generated according to the answer of selection.Wherein, it asks Topic type may include entity type, viewpoint type and clip types.
More specifically, when problem types are entity type, entity class problem information, and base can be generated according to problem information Show daily record in the abstract and history of search engine collecting to be extended entity class problem information to generate entity problem of the same clan Informational cluster.Wherein, entity problem information cluster of the same clan corresponds to candidate answers respectively.Then right respectively from entity problem information cluster of the same clan It answers and extracts candidate entity in candidate answers, then calculate the confidence level of candidate entity, and confidence level is more than default confidence level threshold The candidate entity of value is fed back as question and answer result.For example, problem information is that " whom Liu De China wife is", candidate answers Case is " just being had been reported that when 9 years in fact, Liu Dehua and Zhu Liqian get married in Canadian secret enrolment ... ", wherein Candidate entity is " Liu Dehua ", " Zhu Liqian ", " Canada ".It is then based on entity knowledge base and question and answer semantic matches model calculates The confidence level of each candidate's entity, the confidence level that can calculate candidate entity " Zhu Liqian " are more than default confidence threshold value, then can be true Fixed " Zhu Liqian " is question and answer result.In addition, also the subordinate sentence that " Zhu Liqian " be first appeared in candidate answers can be made a summary as answer.
When problem types are viewpoint type, the corresponding candidate answers of problem information can be obtained, and carry out to candidate answers Then cutting polymerize multiple candidate answers short sentences to generate multiple candidate answers short sentences and polymerize cluster to generate viewpoint.Tool Body, can extract the keyword in candidate answers short sentence according to IDF (anti-document frequency) score of vocabulary in short sentence, and to comprising The keyword of negative word carries out extensive and generates negative label, is then based on negative label and is indicated keyword with vector, The vector angle and/or semantic similarity between each two keyword are calculated, predetermined angle or language then are less than to vector angle The candidate answers that adopted similarity is more than predetermined threshold value are polymerize to generate viewpoint polymerization cluster.
After this, it can determine whether the viewpoint type of viewpoint polymerization cluster.Wherein, viewpoint may include it being non-class, evaluation class, suggest Class etc..Specifically, it can determine that viewpoint polymerize the viewpoint type of cluster by preset rule or based on statistical model.Then It is polymerize in cluster from corresponding viewpoint according to viewpoint type and selects answer viewpoint.Wherein, the rule of selection answer viewpoint may include But it is not limited only to choose the most comprehensive answer viewpoint of information covering, chooses IDF*log (IDF) value minimum answer viewpoint and selection The most answer viewpoint of occurrence number in the corresponding article of candidate answers.Wherein, IDF is anti-document frequency.After this, may be used The corresponding abstract of answer viewpoint is generated, then can be scored answer viewpoint, and scoring is more than answering for default scoring threshold value Case viewpoint is fed back as question and answer result.For example, problem information is " pregnancy points for attention ", one of candidate answers " should sincerely to keep doctor, more, war principle when pregnancy, that is, periodically see doctor, lie up more, defeat the bad habit of oneself.", it can By the candidate answers cutting be " should sincerely be kept when pregnancy doctor, it is more, fight principle ", " that is, periodically seeing doctor ", " lying up " more, " bad habit for defeating oneself " four candidate answers short sentences.Then the content or approximation that can will be repeated in candidate answers short sentence Content carry out polymerization and generate viewpoint polymerization cluster, and select answer viewpoint.Later, can according to abundant information degree, degree of having sufficient grounds, Information redundance etc. scores to answer viewpoint, and scoring is more than the answer viewpoint of default scoring threshold value as question and answer result It is fed back.In addition, after selecting answer viewpoint, the sentence that it can be obtained where in carrying out source article, then according to pre- fixed length Degree interception sentence, to generate the corresponding abstract of answer viewpoint.It later can be according to abundant in content degree, answer authority to abstract It is ranked up.
When problem types are clip types, the corresponding candidate answers of problem information can be obtained, and carry out to candidate answers Then cutting carries out importance marking to generate candidate answers to generate multiple candidate answers short sentences to multiple candidate answers short sentences The corresponding short sentence importance feature of short sentence, and answer abstract is generated according to short sentence importance feature, then it can be made a summary according to answer Short sentence importance feature, answer is authoritative, the richness of the correlation of problem information and answer gives a mark to answer quality. Wherein, short sentence importance feature may include aggregation features, degree of correlation feature, type feature and problem answers matching degree feature.Its In, aggregation features are used to weigh the multiplicity of short sentence, such as:Term vector centroid feature, NGram (calculate probability of occurrence) feature, Lexrank (more text summarizations) feature etc..Type feature is the type feature of problem, such as WHAT (what) type, WHY (why) type, HOW (how) type etc..Answer authority is the technorati authority of the website in answer source.After this, it can obtain The behavioral data at family is taken, then candidate answers are ranked up according to the behavioral data of user and marking result, it finally will row Sequence result is fed back as question and answer result.Wherein, the behavioral data of user is the click row that may include user to question and answer result For, in question and answer result residence time, jump to by current question and answer result the history row of the users such as other question and answer results For information.
When user demand information is information search request, information search service module can receive problem information, and according to Problem information is scanned for generate multiple candidate web pages, then carries out discourse analysis to candidate web pages to generate corresponding candidate Chapter.Specifically, candidate web pages progress chapter content extraction, chapter topic division and chapter relationship analysis can be generated corresponding Candidate chapter.Wherein, chapter content extraction is mainly the body part for identifying candidate web pages, is deleted unrelated with user demand information Content.Chapter topic division is to analyze the thematic structure of chapter, and chapter can be divided into multiple sub-topics.Chapter closes Relationship of system's analysis between multiple sub-topics in analysis chapter, such as coordination etc..It, can be right after generating candidate chapter Sentence in candidate chapter carries out marking sequence.Wherein, marking sequence be based primarily upon importance of the sentence in candidate chapter with And the degree of correlation between sentence and user demand information.After this, the demand scene information of user can be obtained, and according to demand Scene information and marking ranking results generate abstract, finally feed back abstract as question and answer result.Wherein scene information can Including mobile terminal scene, computer scene.When scene information is mobile terminal scene, then compression can be carried out to sentence and is write a Chinese character in simplified form, Keep the abstract of generation brief and concise as possible;When scene information is computer scene, splicing fusion can be carried out to sentence so that generate Abstract it is clear in detail.Certainly, when generating candidate chapter, since the content in candidate chapter has phase with user demand information Guan Xing then might have the content of repetition or complementation, then the information to multiple candidate chapters is needed to polymerize.
As shown in figure 11, chatting service subsystem can perform following steps:
S51, input information input by user is received.
Wherein, input information can be voice messaging, can also be text message.
After receiving input information input by user, error correction and/or rewriting can be carried out to input information, it is defeated for correcting Enter the wrong word in information, rewrites irregular colloquial style expression etc..
In addition, can also obtain the information above chatted with user, then according to information above judge input information with above Whether the dependence of information is more than preset relation threshold value.It, then can be according to information above to defeated if it is greater than preset relation threshold value Enter information and carry out completion, to ensure the fluency of man-machine chat.Specifically, completion is carried out to input information and may include that reference disappears Solution.For example, input information is that " he has got married", then it can will be in input information according to information above " Liu Dehua " " he " is replaced by " Liu Dehua ".Completion is carried out to input information and may also include omission completion.For example, information " Liu De above Magnificent wife is Zhu Liqian.", input information is that " I does not recognize.", then can be that " I does not recognize Zhu Liqian by input information completion.”.
In addition, can also be according to the current topic information of acquisition of information user above, so that follow-up chatting service module is to chatting Its topic guides.
S52, input information is distributed to chatting service module.
Specifically, domain analysis can be carried out to input information to obtain the corresponding field of input information.It then, can be according to defeated Enter information corresponding field input information is distributed to the same or similar chatting service module like field.
Wherein, chatting service module may include chat module based on search, rich knowledge chat module, chatting based on portrait It is one or more in its module and chat module based on crowdsourcing.
Specifically, to generate multiple chat short sentences, then the chat module based on search can carry out input information cutting word Chat corpus can be inquired according to multiple chat short sentences to generate on multiple chat language materials sentence pair on sentence and multiple chat language materials Sentence under the multiple chat language materials answered.Wherein, chat corpus is to pre-establish, and language chats source and may include but be not limited to the opinions such as mhkc "-money order receipt to be signed and returned to the sender of posting " in altar data, " blog article-reply " in microblogging, " problem-answer " etc. in Ask-Answer Community.
After this, sentence on multiple chat language materials can be filtered.Specifically, input information and multiple chats can be calculated Similarity on language material between sentence.It, can will be on corresponding chat language material if similarity is less than the first default similarity threshold Sentence filtering;If similarity is greater than or equal to the first default similarity threshold, sentence on corresponding chat language material can be retained.
It, can be to the corresponding chat language material of sentence on the chat language material after filtering after sentence is filtered on to chat language material Lower sentence is classified.Specifically, the similarity between sentence under input information and multiple chat language materials is calculated, and according to similarity base In GBDT (gradient boost decision tree, Gradient Boost Decision Tree), SVM (support vector machines, Support Vector Machine) etc. machine learning models classify to sentence under multiple chat language materials.Wherein, input information is chatted with multiple Similarity under its language material between sentence can be similarity literal between sentence under input information and chat language material, can also be defeated Enter information and the similarity that sentence is trained based on deep neural network under language material of chatting, can also be input information and chat language The similarity that the lower sentence of material is trained based on Machine Translation Model.It should be understood that in the present embodiment input information with it is multiple The machine learning models such as similarity and GBDT, SVM under chat language material between sentence are known technology, are not repeated herein.
Being then based on the chat module of search can reorder to sentence under the chat language material after classification, and according to sequence As a result candidate reply is generated.Specifically, the chat attribute for the acquisition of information user above that can be chatted according to user, further according to chat Attribute is based on study order models (Learning-To-Rank) to sentence under the chat language material after classification and reorders.Its In, chat attribute may include occasion such as time and location of chat etc., interest, the style of chat etc. of chat.Certainly, chat belongs to Property be not limited only to obtain in the information above chatted from user, can also be obtained according to the long-term history chat record of user.It answers It is known technology when learning order models in understanding, the present embodiment, does not repeat herein.
Rich knowledge chat module can generate search term according to input information, and be scanned for according to search term multiple to generate Then search result carries out sentence extraction to multiple search results, be more than the second default phase with the similarity of search term to obtain Like the candidate sentences set of the sentence of degree threshold value.After this, the sentence in candidate sentences set can be rewritten to generate Candidate replys.In addition, can also be reordered to the sentence in candidate sentences set according to the chat attribute of user.Citing comes It says, input information is " it is desirable that having an opportunity to travel to Fuji ", can be parsed to input information and generate corresponding search Word " Fuji, tourism " then obtains multiple search results according to search term, and extracts the sentence high with search Word similarity. Wherein, some sentences may include that such as " reporter learned " and obviously select from web page text, it is therefore desirable to these sentences into Row is rewritten, and keeps it more smooth, and more like the sentence of natural language chat, the candidate reply ultimately generated is " Fuji is due to day Gas reason only has a period of time of defined summer that can climb the mountain in 1 year ", relative to traditional reply, " I also wants to go to Fuji Mountain, together.", there is certain intellectual, and there is certain timeliness, usable family can obtain useful in chat process Knowledge.
It personalizes to be better achieved, and provides personalized service to the user, man-machine chat system can set itself Attribute, state, interest etc., i.e. system draws a portrait model.Attribute, state, the interest etc. of user, i.e. user's portrait mould can also be set Type.Certainly, when in face of different users, the system portrait model used can be same, can also be directed to each user Corresponding system portrait model can be set.System portrait model and user's portrait model are based on portrait knowledge mapping. Portrait knowledge mapping is the knowledge hierarchy of a stratification.For example, " kinsfolk " node may include " siblings " and " parent " two child nodes, " parent " child node include " father " and " mother " two child nodes.Each node is corresponding with more A input information template cluster, such as " whom your father is ", " who be your father ", " what your father cries " belong to the same input Information model cluster.Each input information template cluster corresponds to one or more candidate replies.Input information template cluster and candidate reply It may include variable, such as interest, hobby, the corresponding same attribute " INTEREST " of hobby, and the attribute value of " INTEREST " can wrap Include climb the mountain, music, reading, movement etc..
Specifically, the chat module based on portrait can obtain the chat context of user, and be judged whether according to chat context Meet collection condition.If it is determined that meeting collection condition, then problem can be sent to user.After this, can receive user according to The answer information of problem, and user's portrait model is updated according to information is answered.Such as:It is relevant chatting film with user When topic, can sending problem to user, " you like any film" or user ask man-machine chat system that " you like eating assorted ", man-machine chat system can ask in reply user, and " you like that is eaten", it, can be based on the answer information of user after user answers User's portrait model is updated, the demand of user individual is more in line with.
In addition, the chat module based on portrait can also obtain the chat content of user, and user is extracted according to chat content Then representation data is updated user's portrait model according to user's representation data of extraction.Such as:User is in chat process In say and " like climbing the mountain when I has nothing to do, fish fishing.", extractable user's representation data " hobby climb the mountain, love fishing ", To be updated to user's portrait model.Meanwhile user's representation data can be based on and extract suitable answer, it returns and closes to user Suitable answer information.
Crowdsourcing (crowdsourcing) is a kind of method that particular task is contracted out to non-user-specific in internet, right In man-machine chat, the problem of machine is difficult to answer, executor can be distributed to and manually replied in real time online, to full The actual demand of sufficient user.
Specifically, the chat module based on crowdsourcing can determine whether that input information is completed if appropriate for crowdsourcing, such as user emotion Low needs comfort etc., then be suitble to crowdsourcing to complete.Such as in the input information of user include personally identifiable information, password, electricity The privacy informations such as words are then not suitable for crowdsourcing and complete.
If it is determined that crowdsourcing is suitble to complete, then input information can be distributed to corresponding executor.Certainly, it while can also incite somebody to action Information above is sent to executor together, and executor can reply according to information above and input information.It is then based on crowdsourcing Chat module can receive executor return information, and to return information carry out Quality estimation.If meeting quality requirement, It is replied return information as candidate.Such as:In return information if comprising vulgar, reaction, Pornograph, quality is only It closes.Or the time that executor replys has been more than scheduled duration, then the return information of the executor will not be used, while can be incited somebody to action The return information is preserved into chat corpus.
In addition, it also can determine whether input information belongs to the chat message of no actual content, such as " laughing a great ho-ho ", " hoho " Deng.If it is determined that being the chat message for belonging to no actual content, then actualite can be obtained, that is, be based on topic model (Topic Model actualite) is calculated according to history chat record.After obtaining actualite, topic chat collection of illustrative plates root can be based on Guiding topic is generated according to actualite.Wherein, topic chat collection of illustrative plates is one using topic as the digraph of node.For example, such as Fig. 2 Shown, node " leisure " may point to node " watching movie " and node " listening song ", then explanation can be guided from topic " leisure " to topic " watching movie " or topic " listen song ".Topic " watching movie " and topic " listening song " all have certain Guiding probability, can be according to drawing The guiding that probability realizes topic is led, to ensure to guide the diversity of topic.
Then, candidate reply can be generated according to guiding topic.Specifically, spatial term model (Natural can be based on Language Generation), the candidate template replied is generated, guiding topic is filled into the template and generates candidate reply; The sentence comprising guiding topic can also be chosen to reply as candidate, to realize that carrying out initiatively chat topic to user draws It leads.
S53, the candidate reply that multiple chatting service modules return is received.
Wherein, candidate reply has corresponding confidence level.
S54, reply to be selected is ranked up based on confidence level, and chat message is generated according to ranking results, and to user Chat message is provided.
Specifically, the feature of the input information of user can be obtained, and the feature based on input information and confidence level are to be selected Reply is ranked up.Wherein, the feature of input information may include characteristic of division, literal feature, topic feature etc..Confidence level is got over Height, then reply quality to be selected is better, can be ranked up to reply to be selected according to the sequence of confidence level from high to low, finally to user The chat message for meeting user demand is provided.
In addition, can also by enhance learning model (Reinforcement Learning) according to the feedback information of user into Row update, so as to provide more satisfied chat message to the user.Such as:Comment is added in the chat message for replying user Button such as " praising " or " stepping on " is to collect the feedback information of user;Or it is based on sentiment analysis technology, it is defeated in chat to user Enter information to be analyzed, to obtain the evaluation of user, such as:" you are very intelligent " etc.;Or by recording and user's chat Interaction times judge the satisfaction of user.
As shown in figure 12, guiding and recommendation service subsystem can perform following steps:
S61, interactive information input by user is received, and actualite is determined according to interactive information.
Specifically, interactive information input by user can first be received for example:" it is good-looking to steal dream space", then to the interaction Information carries out demand identification and correlation calculations, so that it is determined that actualite is " stealing dream evaluation space ".
S62, the multiple and relevant guiding topic to be selected of actualite is obtained based on topic collection of illustrative plates.
Wherein, topic collection of illustrative plates may include the incidence relation between multiple topics and topic.
Specifically, the multiple and relevant guiding topic to be selected of actualite can be obtained based on the topic collection of illustrative plates pre-established. Such as:Actualite is " stealing dream evaluation space ", then can be obtained according to topic collection of illustrative plates multiple relevant with " stealing dream evaluation space " Guide topic such as the film of director " Nolan ", " film that Leonardo is acted the leading role " and they between " robber's dream evaluation space " Incidence relation.
S63, the user's representation data for obtaining user.
Wherein, user's representation data is the set of the data such as attribute, state, the interest of user, can be actively defeated by user Enter or obtained according to the history intersection record of user, then it is integrated, to generate the personalization about user User's representation data.
S64, topic is guided with selection in the relevant guiding topic to be selected of actualite from multiple according to user's representation data, And guide topic to user feedback.
Specifically, the intent information of user can be determined according to the contextual information of user's representation data and interactive information, so Afterwards according to the user's intention information from it is multiple with the relevant guiding topic to be selected of actualite in selection guide topic, and to user Feedback guiding topic.
For example, guiding topic can be the extension of actualite.Such as:Interactive information is that " how chicken is cooked", then Actualite can be " way of chicken ".After actualite interacts, actualite can be extended, in conjunction with user's representation data Such as " user is pregnant woman ", then topic " it is relatively good how pregnant woman eats chicken " can be guided to user feedback.
Certainly, guiding topic can also be the recommendation based on actualite.Such as:Interactive information is " it is good-looking to steal dream space ", then actualite can be " stealing dream evaluation space ".After actualite interacts, it can be based on actualite, and combine and use Family representation data such as " user likes watching movie ", then can guide topic " film of Nolan " to user feedback.
And when that can not determine the intent information of user according to the contextual information of user's representation data and interactive information, then It needs to clarify the intent information of user.Such as:Interactive information is " how to get to remove the Forbidden City", and Beijing, Shenyang and the Taibei Have " the Forbidden City ", it is therefore desirable to the intent information of user be clarified, can be returned to user according to interactive information and be intended to clarification Question sentence " may I ask you are which the Forbidden City removed”.
In addition, before step S62, step S65 can also carry out.
S65, topic collection of illustrative plates is established.
As shown in figure 13, a node in topic collection of illustrative plates indicates the topic or a demand that user proposes, each May include the reply for having corresponding topic and the resource for meeting user demand in node, and between related node can by side into Row association, to form netted topic collection of illustrative plates.
Specifically, the method for establishing topic collection of illustrative plates is as follows:Topic associated data can be obtained, then according to topic associated data Establish topic collection of illustrative plates.
More specifically, two kinds of situations can be divided by obtaining topic associated data.
The first situation:Network text data can be first obtained, and obtains topic associated data from network text data.Its In, network text data can be divided into unstructured data, semi-structured data and structural data.
When network text data is unstructured data, entity extraction can be based on and syntactic analysis obtains topic incidence number According to.Wherein, unstructured data may include news, forum, blog, video etc..Such as:Network text data " is most looked steadily The flowers are in blossom a master for purpose Nobel prize in literature, and Frenchman's Modiano becomes new lucky man.Certainly, repeatedly nomination is always encouraged with promise Spring tree or that " nearest people is encouraged from promise " in the village narrowly missed.Chinese poet Bei Dao, has also only made compatriots fanatic one It returns.", entity extraction technology extraction entity information " Nobel prize in literature ", " Frenchman's Modiano ", " spring in village can be based on Tree ", " Chinese poet Bei Dao ", and know between above-mentioned entity information there is association based on syntactic analysis.Further, may be used also It is Nobel Prize for literature to analyze Frenchman's Modiano, and spring tree and China poet Bei Dao there is no Nobel in village Literary prize etc..
When network text data is semi-structured data, obtained based on page layout analysis, tag extraction, Entity recognition Topic associated data.Wherein, semi-structured data may include the encyclopaedias such as wikipedia, Baidupedia data or thematic data Deng.Such as:As shown in figure 14, it can be based on page layout analysis, tag extraction, Entity recognition, obtain " the field of " De Yuekeweiqi " Lower life " includes " family life " and " charitable activity ".
When network text data is structural data, topic associated data is obtained from knowledge mapping.Wherein, structuring Data may include knowledge mapping data.Such as:As shown in figure 15, film " stealing dream space " and the director of film " interspace to pass through " are " Christoffer Nolans ".
The second situation:The search behavior data or navigation patterns data that user can first be obtained, then according to search behavior Data or navigation patterns data generate topic associated data.
Specifically, the search behavior data of user can be obtained, and according to the corresponding object search of search behavior data acquisition, Then topic associated data is generated according to object search.Such as:User continuously search " Nolan ", " film of Nolan " and " gram In Fletcher Christian Bells ", then above-mentioned topic can be associated, to generate topic associated data.
It is of course also possible to the navigation patterns data of user are obtained, and according to the corresponding browsing pair of navigation patterns data acquisition As generating topic associated data according to browsing object.Such as:As shown in figure 16, it is clicked when can user be browsed webpage multiple News or video are associated, to generate topic associated data.
After obtaining topic associated data, RandomWalk algorithms, association analysis algorithm, collaborative filtering can be passed through In it is one or more, topic collection of illustrative plates is established according to topic associated data.For example, as shown in figure 17, q1, q2, q3 and Q1 ', q2 ', q3 ', q4 ' are topic, and d1, d2, d3 and d4 are resource data.As can be known from Fig. 13, resource data d1 and d2 and words It is associated to inscribe q1;Resource data d1, d2, d3 are associated with topic q2;Resource data d4 is associated with topic q3, and there is association to close It is connected with solid line between the topic and resource data of system.Topic q1 and number of resources can be iterated to calculate out based on RandomWalk algorithms According to having incidence relation between d3, it is connected with dotted line between them.And topic q1 ' is browsing resource data d1 or d4 for user Afterwards, the topic sent out according to resource data d1 or d4, the incidence relation between them have ordinal relation.Similarly, topic q2 ' is According to the topic that resource data d2 is sent out, topic q3 ' is the topic sent out according to resource data d2 or d3, according to topic q4 ' The topic that resource data d3 or d4 are sent out.Further, it can derive that topic q1 and topic q1 ' has incidence relation, topic q1 There is incidence relation etc. with topic q2 ', it is final to establish topic collection of illustrative plates as shown in fig. 13 that.
In addition, guiding and recommendation service subsystem can also parse interactive information, and obtain the pass in interactive information Key field.Wherein, critical field may include temporal information, location information, reminder events it is one or more.It then can be according to pass Key field establishes prompting message, when temporal information reaches preset time, can send prompting message to user.For example, Assuming that the interactive information of user is " 6 points of tomorrow evening reminds me to write work plan ", then temporal information can be parsed " 2015 8 On the moon 8 18:00 ", reminder events are " writing work plan ".When reaching this time, user can be reminded.
The man-machine interaction method based on artificial intelligence of the embodiment of the present invention, including following advantages:(1) man-machine friendship is realized Mutual system is changed into from tool to personalize, and by the services such as chatting, searching for, user is allowed to be obtained during intelligent interaction gently Loose pleasant interactive experience, and no longer it is only search and question and answer.(2) it is improved to be based on nature language from the search of crucial word form The search of speech, user can carry out exposition need with the natural language of using flexible freely, and the interactive process more taken turns is closer to person to person Between interactive experience.(3) realize that actively search develops into round-the-clock company formula service, the personalization based on user from user Model can provide the services such as recommendation to the user whenever and wherever possible.
To achieve the above object, the present invention also proposes a kind of man-machine interactive system based on artificial intelligence.
Figure 18 is the structural schematic diagram one of the man-machine interactive system according to an embodiment of the invention based on artificial intelligence.
As shown in figure 18, the man-machine interactive system based on artificial intelligence is somebody's turn to do may include:First receiving subsystem 10000 divides Subsystem 20000 is sent out, interactive service subsystem 30000, the second receiving subsystem 40000, subsystem 50000 is generated and son is provided System 60000.
First receiving subsystem 10000 can receive the input information that user is inputted by application terminal.
Wherein, application terminal may include the ends PC, mobile terminal or intelligent robot.Input information can be text message, Image information or voice messaging.
Distribution subsystem 20000 can obtain the intent information of user according to the input information of user, and according to intent information Input information is distributed at least one interactive service subsystem 30000.
Wherein, interactive service subsystem may include need satisfaction service subsystem 31000, chatting service subsystem 32000 With guiding and recommendation service subsystem 33000.In one embodiment of the invention, distribution subsystem 20000 can be according to user Input information obtain the intent information of user, input information is then distributed to by above-mentioned interactive service according to intent information System 30000.
In addition, the first receiving subsystem 10000 also can receive the customized task information of user, distribution subsystem 20000 can Input information is distributed at least one interactive service subsystem 30000 according to customized task information.Such as:Some users' appoints Business only scans for, then only customized demand can be needed to meet service subsystem;The task of some users not only needs to search for, but need into Row chat, then may customize need satisfaction service subsystem and chatting service subsystem, it is above can according to user's actual need into Row customization.
Second receiving subsystem 40000 can receive returning the result at least one return of interactive service subsystem 30000.
Subsystem 50000 is generated to return the result according to generation user is returned the result according to preset decision strategy.
Offer subsystem 60000, which can return the result user, is provided to user.
As shown in figure 19, generate subsystem 50000 may include the first acquisition module 51000, the second acquisition module 52000, First decision-making module 53000.
First acquisition module 51000 can obtain the demand analysis feature of input information.
Second acquisition module 52000 can obtain the confidence characteristic of interactive service subsystem return returned the result, user Dialogue interactive information contextual feature and user personalized model feature.
The dialogue of first decision-making module 53000 can analyze feature according to demand, return the result confidence characteristic, user is handed over The contextual feature of mutual information and the personalized model feature of user carry out decision to determine that user returns to knot to returning the result Fruit.
Specifically, to returning the result progress decision following feature is based primarily upon to determine that user returns the result:1, it needs Analysis feature is sought, information carries out demand analysis the problem of by user, and the question and answer service mould for more meeting user demand may be selected The question and answer result that block provides.2, question and answer result confidence characteristic, the question and answer result that each question and answer service module provides, which all has, sets The high question and answer result of confidence level may be selected in reliability.3, the contextual feature of the dialogue interactive information of user may be selected more to meet The question and answer result of context information.4, the question and answer knot for more meeting users ' individualized requirement may be selected in the personalized model feature of user Fruit.Wherein, demand analysis feature, the confidence characteristic of question and answer result, user dialogue interactive information contextual feature and The personalized model feature of user is corresponding with respective decision weights respectively.Decision is carried out to question and answer result based on features above, So that it is determined that final question and answer result.After the final question and answer result of determination, user can be fed back to, to meet the need of user It asks.Wherein, question and answer result can also feed back to user by way of voice broadcast by way of screen display.Using The mode of voice broadcast so that the process of human-computer interaction is easier, natural.
In addition, as shown in figure 20, generating subsystem 50000 can also training module 54000.Training module 54000 can basis The daily record of user interacts the confidence characteristic of demand analysis feature, question and answer result, the dialogue of user based on enhancing learning model The decision weights of the contextual feature of information and the personalized model feature of user are trained, and are more accorded with to provide to the user Close the question and answer result of user demand.
It is generating after user returns the result, subsystem 60000 is provided user can returned the result and be converted into natural language And it reports to user.Certainly, also can user directly be returned the result into corresponding text and is presented to user.
In one embodiment of the invention, as shown in figure 21, the man-machine interactive system based on artificial intelligence may also include Send subsystem 70000 and executive subsystem 80000.
If user includes to execute instruction in returning the result, sends subsystem 70000 and can will execute instruction and be sent to pair The executive subsystem 80000 answered, executive subsystem 80000 can perform this and execute instruction.Wherein, it executes instruction and may include but not only Be limited to hardware action instruction, play musical instruction and read aloud story instruction etc..For example, hardware action instruction mainly for Intelligent robot, intelligent robot can have the hardware building blocks such as head, trunk, four limbs, therefore executable such as " point point The instruction of the manipulation intelligent robot hardware building block such as head ", " laughing at ", " putting your hands up ".Musical instruction is played usually may be used Including starting to play, stopping playing, it is upper one first, next, louder, sound it is a little bit smaller etc..It should be noted that user for The search (such as " being suitble to the music listened before sleeping ", " song pleasing to the ear Zhou Jielun ") of the music such as specific type or style simultaneously is not belonging to broadcast It puts the music on instruction.Read aloud story instruction be primarily directed to the application towards children, as intelligent robot need instead of parent to Children tell a story.It is similar with musical instruction is played, the story of specific subject, personage, plot etc. is scanned for also being not belonging to bright Read story instruction.
In one embodiment of the invention, as shown in figure 22, the man-machine interactive system based on artificial intelligence may also include Completion subsystem 90000.
After receiving the input information that user is inputted by application terminal, completion subsystem 90000 can obtain and user Then interactive interaction information above can carry out completion according to interaction information above to input information.Specifically, in more wheel interactions In the process, user would generally based on dialogue above omit input information in a part of content, it is therefore desirable to input information into Row completion, to clarify the demand of user.Such as:Dialogue is above for " what snack Beijing has", and input information is that " that is special Production", then it needs to carry out completion to input information, generating new problem information, " what specialty Beijing has”.
In an embodiment of the present invention, as shown in figure 23, the man-machine interactive system based on artificial intelligence may also include record Subsystem 100000 and Monitor And Control Subsystem 110000.
If there is no the users for meeting user demand to return the result in Internet resources, recording subsystem 100000 can be remembered The input information at family is employed, then Monitor And Control Subsystem 110000, which monitors to whether there is in Internet resources with predetermined period, meets user The user of demand returns the result, and in the presence of user returns the result, and provides subsystem 60000 and can return the result user and provides To user.For example, user searches for a film just shown, but there is no respective resources in Internet resources at present, then Recordable lower this demand of the user, and according to whether there are respective resources in some cycles network resource search.When searching After respective resources, asynchronous need satisfaction can be realized by the resource supplying to user.
As shown in figure 24, need satisfaction service subsystem 31000 may include that third acquisition module the 31100, the 4th obtains mould Block 31200, the first distribution module 31300, question and answer service module 31400 and the second decision-making module 31500.
Third acquisition module 31100 can obtain problem information input by user.Wherein, problem information can be word letter Breath, can also be voice messaging.For example, " there is any snack in Beijing to problem information input by user”.
4th acquisition module 31200 can obtain the user demand information of user according to problem information.It specifically, can be to problem Information carries out demand analysis, to obtain the user demand information of user.For example, user demand information, which can be vertical class, needs It asks, Aladdin demand, depth question and answer demand, information search request etc..
Problem information can be distributed to corresponding at least one question and answer by the first distribution module 31300 according to user demand information Service module 31400.Wherein, question and answer service module may include Aladdin service module 31410, class of hanging down service module 31420, depth Spend question and answer service module 31430 and information search service module 31440.
In one embodiment of the invention, when user demand information is Aladdin demand, problem information can be distributed To Aladdin service module 31410;When user demand information is to hang down class demand, problem information can be distributed to vertical class service mould Block 31420;When user demand information is depth question and answer demand, problem information can be distributed to depth question and answer service module 31430;When user demand information is information search request, problem can be distributed to information search service module 31440.
Wherein, Aladdin service is that the general designation of a kind of service precisely met, such as dollar can be provided for user demand Exchange RMB, the Spring Festival in 2015 has a holiday or vacation.For example, information is that " whom the wife of Liu Dehua is the problem of user", then Ah Latin service module 31410 can analyze the problem information, and it is " personage " that can analyze demand type, and inquiry main body is " Liu Dehua ", querying attributes are " wife ", and can querying attributes be carried out normalizing, are " wife " by querying attributes normalizing.Then It is " Zhu Liqian " to search for and obtain result field, then is based on spatial term technology (Natural Language Generation question and answer result " wife of Liu Dehua is Zhu Liqian ") is generated.Again for example:The problem of user, information was " Beijing is bright Its heat", it is " 35 degrees Celsius " by searching for and obtaining result field, commonsense knowledge base and default rule can be based on, generated " weather will be awfully hot tomorrow, and maximum temperature is 35 degrees Celsius, it is proposed that pays attention to reducing temperature of heatstroke prevention for question and answer result." wherein, commonsense knowledge base can Including common sense class knowledge, it is warm as temperature belongs to higher than 30 degrees Celsius.
Class service of hanging down is that the service, such as " ordering air ticket " etc. of more wheel interactions are carried out for class demand of hanging down.Class of hanging down service is main By talking with control technology (Dialogue Management) and dialog strategy technology (Dialogue Policy), to user's Demand is clarified, to provide a user the question and answer result for meeting user demand.For example, information is the problem of user " air ticket in Beijing to Shanghai " can then analyze the problem information, and " which your departure date is for right rear line rhetorical question It", user answers " tomorrow ", and then proceeding to rhetorical question, " whether you require airline" etc., gradually clarify the need of user It asks, and finally returns that the question and answer result for meeting user demand.
As shown in figure 25, the class service module 31420 that hangs down may include the 5th acquisition submodule 31421, determination sub-module 31422 With interaction submodule 31423.
5th acquisition submodule 31421 can obtain query word input by user.
In one embodiment of the invention, user can input inquiry word in several ways, for example, user can be with text Originally, voice or image input inquiry word.
The voice of input or image can be converted to when either image inputs by user by voice in user and facilitate understanding Natural language query word, and corresponding text is shown on interactive interface.
For example, after user is by voice mode input inquiry word, language model can be based on and turn voice input by user It is changed to corresponding text, and shows query word input by user on interactive interface in the form of natural language.
Determination sub-module 31422 can determine the vertical class that query word belongs to.
Specifically, after obtaining query word input by user, it is thus necessary to determine that the vertical class that query word belongs to subsequently is existed with facilitating It under the vertical class that query word belongs to, is interacted with user, or obtains the relevant information of query word.Currently, a variety of sides can be passed through Formula determines that the vertical class belonging to query word, user can be selected according to actual demand, be illustrated below:
(1) vertical class that query word belongs to is determined based on machine learning mode.
Specifically, it excavates and marks and the relevant inquiry of vertical class from search engine logs (including phonetic search) first (query), the relevant training data set of class of hanging down is built, feature, training machine Study strategies and methods then are extracted to training data (such as maximum entropy model, support vector machines) classifies to class demand inquiry of hanging down according to the feature extracted, and is inquired with determining The correspondence of word and vertical class, and preserve the correspondence of query terms and vertical class.
Wherein, it should be noted that during classification, for multiple vertical classes, all categories may be used and unify mould Type is classified more, and the independent model two of class that each hangs down can also be used to classify, finally unify decision.
Specifically, after obtaining query word, it can determine that query word is corresponding with the correspondence of vertical class by query word Vertical class.For example, after receiving query word input by user and being " novel of giant silkworm potato ", due to including author in query word Name, the words such as novel can determine that the corresponding vertical class of the query word is the vertical class of novel by machine learning mode.
(2) vertical class that query word belongs to is determined based on pattern analysis mode.
In order to determine vertical class that query word belongs to based on pattern analysis mode, determine vertical class that query word belongs to it Before, it hangs down class (such as novel hangs down class, and hang down class, place of cuisines is hung down class, the vertical class in restaurant etc.) for every class, lists of keywords can be built, And preserve the correspondence to hang down between class and keyword.
After receiving query word input by user, the technologies such as participle, name Entity recognition can be based on, to the reality in inquiry Body and keyword are parsed, and the set of modes of analysis result matching verticals categories is used in combination to be dealt into correspondence if successful match Verticals categories.
For looking for the vertical class in restaurant:It is assumed that the query word that user currently inputs is " quiet dining room near three inner villages ", it is first It the basic morphological analysis such as first segments, name Entity recognition to this query, the corresponding moulds of the query can determine by analysis Formula is:[place] _ [style] _ [dining room].The independent mining mode set of each classification.That is, for be distributed Query first, then will analysis by segmenting, naming the basic morphological analysis mode such as Entity recognition to analyze query As a result it is matched with the set of modes of verticals categories, if successful match, is distributed to corresponding verticals categories.
Interaction submodule 31423 can carry out the interaction of at least one wheel with user, used in the vertical class that query word belongs to The query result that family needs, wherein when often wheel interaction, show the information of user to include:The query result of corresponding query word, with And guidance information.
In one embodiment of the invention, as shown in figure 26, interaction submodule 31423 may include:Resolution unit 314231, the 4th acquiring unit 314232, display unit 314233 and the 5th acquiring unit 314234.
The vertical class knowledge hierarchy that query word can be resolved to the vertical class that query word belongs to by resolution unit 314231 can indicate Structured message.
Wherein, each vertical class knowledge hierarchy for hanging down class pre-establishes, and class knowledge hierarchy of hanging down is to be based on verticals categories knot The information and user demand that structure webpage provides indicate what Establishing got up.
Wherein, user demand indicates that system is the semantic expressiveness system of user demand and can specifically be indicated from user demand Semantic and structure knowledge is excavated in system.
It should be noted that user demand is determined according to query word.That is, being wrapped in user demand expression system Containing largely query word corresponding with user demand, by analyzing query word, the semanteme and knot of query word can be therefrom obtained Structure knowledge.
The architectonic structure type of vertical class of each class of hanging down is different, and a sagging architectonic knot of class is exemplified below Configuration formula.
For example, restaurant is hung down, the architectonic structure type of vertical class of class is as shown in table 1.
The architectonic structure type of vertical class of the vertical class in 1 restaurant of table
It can be seen from Table 1 that restaurant is hung down comprising the relevant position in each restaurant, the style of cooking, mouth in the vertical class knowledge hierarchy of class Multiple dimensional informations such as taste, environment and the possible value of each dimension.
4th acquiring unit 314232 can according to structured message, the class knowledge hierarchy of hanging down, and, the vertical class that query word belongs to Vertical class resources bank, obtain relevant information.
Wherein, relevant information can include but is not limited to the query result and guidance information of corresponding query word.
In one embodiment of the invention, as shown in figure 27, interaction submodule 31423 can also include component units 314235。
In order to obtain the vertical class resource for the vertical class that query word belongs to, component units 314235 can obtain query word category In vertical class unstructured resource and unstructured resources, and unstructured resource and unstructured resources composition are hung down class resource Library.
Wherein, unstructured resource is the full dose data money obtained after multiple corresponding vertical class website crawl integral datas Source, the supplement for the unstructured resource that unstructured resources are obtained according to user's query word or internet text mining or extension are believed Breath.
Below by taking novel as an example explanation according to novel hang down class unstructured resource and unstructured posture composition novel hang down class Vertical class resource process.
Complicated architecture is presented in the unstructured resource of usual verticals categories, is forming the vertical class resource of the vertical class of novel In the process, the unstructured resource of the vertical class of novel can be first obtained, specifically, can pass through and capture starting point Chinese network, in length and breadth Chinese network, Shanxi The information of novel establishes full dose data resource on the mainstreams Chinese novel websites such as river, red sleeve, 17K novels net, novel reading net.
Then, it is full can to obtain novel name, author, classification, label word, resource for the unstructured resources for class of hanging down for novel The resources such as foot link, novel brief introduction, novel periphery and encyclopaedia information, and the above-mentioned resource obtained is integrated.Finally may be used By after integration resource and above-mentioned full dose data resource preserve to vertical class resources bank, entered with completing the hang down vertical class resource of class of novel Library.
Wherein, it is to be understood that for other classes of hanging down, the process for obtaining its corresponding vertical class resource is hung down with novel is obtained The process of the vertical class resource of class is identical, and details are not described herein again.
In one embodiment of the invention, as shown in figure 28, the 4th acquiring unit 314232 may include that update is single Member 3142321 generates subelement 3142322 and coupling subelement 3142323.
Update subelement 3142321 can update working as user according to structured message and the previous status information of user Preceding status information.
According to the common conversation process in vertical class scene, realize that the state space construction of conversational system and interactive strategy are initial Change.Specifically, after user's first time input inquiry time, the initial of user can be obtained according to the preference or interactive history of user Change status information.
Subelement 3142322 is generated to generate current state information according to vertical class knowledge hierarchy and vertical class resources bank and correspond to Candidate actions.
Wherein, above-mentioned candidate actions may include:Meet the action of user demand, alternatively, further clarifying user demand Action, alternatively, providing guidance information laterally or longitudinally for user demand.Wherein, user demand is determined according to query word.
Coupling subelement 3142323 can select and current state information matching degree according to preset model in candidate actions The candidate actions of higher predetermined number, using the candidate actions selected as relevant information.
Specifically, after the corresponding candidate actions of current state information, preset model such as POMDP can be based on (partially observable Markov decision processes, partially visible markov decision process) model Selection and the candidate actions of the higher predetermined number of current state information matching degree from multiple candidate actions, and by selection Candidate actions return to user, answering with dialogue function used by a user as the query result and guidance information of query word With the query result and guidance information for showing query word in the current interface of program.
Wherein, meet the action of user demand, alternatively, further the action of clarification user demand after being selected as looking into It askes as a result, providing guidance information laterally or longitudinally after being selected as guidance information for user demand.
Wherein, predetermined number is preset, for example, predetermined number is 5, it is assumed that according to vertical class knowledge hierarchy and vertical class Resources bank, the candidate actions for generating current state information are 10, are believed with current state at this point, can be selected by POMDP models Higher 5 candidate actions of matching degree are ceased, and the candidate actions selected are returned into user as relevant information.
Display unit 314233 can show query result and guidance information to user.
5th acquiring unit 314234 can repeat above-mentioned basis and look into after user is according to guidance information again input inquiry word It askes word and obtains the flow of relevant information, until obtaining the query result of user's needs.
In one embodiment of the invention, can also according to user feedback update preset model parameter, so as to Parameter not different candidate actions of simultaneous selection.That is, after user again input inquiry word, it can be defeated again according to user The parameter of the query word adjustment preset model entered, so that preset model is that user selects different candidates according to the parameter after adjustment Action.Guidance information is provided according to current state information and meet information, the corresponding guidance information of different conditions information and full Sufficient information is different, system can be provided according to current state information and user demand it is optimal meet information and guidance information, to draw Lead the vertical category information of user's inquiry.
For example, the query word of active user's input is " western-style restaurant ", it may be determined that the corresponding vertical class of the query word is hung down for cuisines Class, while can determine that the user demand of active user is that a western-style restaurant is looked for have a meal by query word, due to when according to query word It not can determine that user needs what kind of western-style restaurant, at this point, can a variety of candidates according to vertical class knowledge hierarchy and vertical class resources bank Action, and by POMDP models select with higher 13 candidate actions of current state information matching degree, and by selection 13 candidate actions are that the relevant information of inquiry returns to user.Wherein, the inquiry knot shown in the current interface of active user Fruit is not as shown in fig. 7, can determine that user needs what kind of western-style restaurant according to query word, at this point, bootable user provides more Add detailed first guidance information, and possible answer corresponding with the first guidance information is provided, i.e. the second guidance information, with User is facilitated to select or input.Wherein, user can also be checked and the first tutorial message phase by clicking next instruction button Other corresponding answers." after asking client to have a meal " is clicked in user, the query word that can be currently inputted according to user is determined for compliance with use One restaurant of family demand, and obtain with the query result of current queries word and guidance information comprising current queries word The interface of relevant information, as shown in figure 8, at this point, user can be according to guidance information, more asking about restaurant is putd question in progress one Topic, such as whether there is wifi, if the problems such as facilitating parking.
For another example if the query word of active user's input is " novel of giant silkworm potato ", in the inquiry for receiving user After word, the title for including storywriter in query word is can determine by semantic analysis, can determine that query word corresponds to according to query word Vertical class be novel hang down class, while by query word can determine user be intended to according to authors' name inquire books, can be according to author Name obtains corresponding candidate actions, and the corresponding relevant information of query word is shown in application program used by a user, including The interface form of the relevant information of query word is as shown in figure 9, at this point, user can click corresponding title according to demand.In addition, with Family is also by clicking the first button, to carry out account login or flush message record.
For another example if the query word of active user's input is " nice Korean barbecue ", it is input by user receiving Can be cuisines vertical class in restaurant by the corresponding vertical class of query word, specifically, query word can be resolved to vertical class knowledge after query word The structured message that system can indicate, and hung down according to structured message, hang down vertical class that class knowledge hierarchy and query word belong to Class resources bank obtains the corresponding query result of query word and guidance information, and by the query result of the query word obtained and guiding Information return to user comprising the relevant information of query word user interface, as shown in Figure 10, at this point, user can basis Guidance information optionally one, can also directly determine this family shop according to demand.In addition, user can also be by clicking next prompt Button checks other guidance informations.
In summary, the information query method based on artificial intelligence of the embodiment has the advantages that:(1) and it is logical It crosses search engine lookup to compare, in query process, the information inquiry mode of the embodiment, which does not need user, verticals categories Deeper understanding guides user's accurate description demand, and provide to the user according to demand corresponding more by way of taking turns interaction Query result and guidance information.(2) class website browsing mode of hanging down is compared, the information inquiry mode of the embodiment does not need user Browse a large amount of webpage, and the information useless without artificial filter, the useless information of the inquiry mode intelligent filtering, only user Relevant information with query word is provided.
(3) relevant conversational system, the information inquiry mode of the embodiment, for answering for verticals categories resource structures are compared Polygamy does particular procedure, generates the state space based on vertical class entity structure, can expire to the deep-seated problem in class of hanging down Foot, and user's input inquiry word again is prompted by guidance information, to carry out the inquiry of next round, that is to say, that the implementation Information inquiry mode is by showing that guidance information can effectively guide user to provide correct problem.
In one embodiment of the invention, as shown in figure 29, depth question and answer service module 31430 may include the first reception Submodule 31431, generates submodule 31433 at first acquisition submodule 31432.
Specifically, the service of depth question and answer is for problem information input by user, based on deep semantic analysis and knowledge Digging technology, to provide the service of accurately question and answer result to the user.When user demand information is depth question and answer demand, the One receiving submodule 31431 can receive problem information, and the first acquisition submodule 31432 obtains corresponding problem according to problem information Then type generates submodule 31433 according to problem types and selects corresponding question-answering mode, and generated according to the answer of selection Pattern and problem information generate corresponding question and answer result.Wherein, problem types may include entity type, viewpoint type and segment class Type.
More specifically, when problem types are entity type, as shown in figure 30, generate submodule 31433 and may include first Generation unit 314331, expanding element 314332, extracting unit 314333, the first computing unit 314334 and the first feedback unit 314335。
First generation unit 314331 can generate entity class problem information according to problem information, and expanding element 314332 is based on The abstract and history of search engine collecting show daily record and are extended to entity class problem information to generate entity problem letter of the same clan Cease cluster.Wherein, entity problem information cluster of the same clan corresponds to candidate answers respectively.Then extracting unit 314333 is from entity problem of the same clan Informational cluster corresponds to respectively extracts candidate entity in candidate answers, the first computing unit 314334 calculates the confidence level of candidate entity, The candidate entity that confidence level is more than default confidence threshold value by the first feedback unit 314335 is fed back as question and answer result.It lifts For example, problem information is that " whom Liu De China wife is", candidate answers are " just to be had been reported that when 9 years in fact, Liu Dehua Get married in Canadian secret enrolment with Zhu Liqian ... ", wherein candidate entity is " Liu Dehua ", " Zhu Liqian ", " adds and take Greatly ".It is then based on entity knowledge base and question and answer semantic matches model calculates the confidence level of each candidate entity, can calculate candidate real The confidence level of body " Zhu Liqian " is more than default confidence threshold value, then can determine that " Zhu Liqian " is question and answer result.In addition, can will also wait The subordinate sentence for first appearing " Zhu Liqian " is selected in answer to make a summary as answer.
When problem types are viewpoint type, as shown in figure 31, generate submodule 31433 and may include first acquisition unit 314336, the first cutting unit 314337, the first polymerized unit 314338, judging unit 314339, selecting unit 3143310, Score feedback unit 3143311.
First acquisition unit 314336 can obtain the corresponding candidate answers of problem information, and the first cutting unit 314337 is to waiting Answer is selected to carry out cutting to generate multiple candidate answers short sentences, then the first polymerized unit 314338 is to multiple candidate answers short sentences It is polymerize and polymerize cluster to generate viewpoint.Specifically, it can be extracted according to IDF (anti-document frequency) score of vocabulary in short sentence candidate Keyword in answer short sentence, and carry out extensive to the keyword comprising negative word and generate negative label, it is then based on negative Keyword is indicated by label with vector, calculates vector angle and/or semantic similarity between each two keyword, then Vector angle is polymerize less than predetermined angle or semantic similarity more than the candidate answers of predetermined threshold value and is gathered with generating viewpoint Close cluster.
After this, judging unit 314339 can determine whether the viewpoint type of viewpoint polymerization cluster.Wherein, viewpoint may include right and wrong Class, evaluation class, suggestion class etc..Specifically, it can determine that viewpoint polymerize cluster by preset rule or based on statistical model Viewpoint type.Then selecting unit 3143310 polymerize from corresponding viewpoint in cluster according to viewpoint type selects answer viewpoint. Wherein, the rule of selection answer viewpoint may include but be not limited only to choose the most comprehensive answer viewpoint of information covering, chooses IDF* The most answer viewpoint of occurrence number in the minimum answer viewpoint of log (IDF) value article corresponding with candidate answers are chosen at.Its In, IDF is anti-document frequency.After this, the corresponding abstract of answer viewpoint is produced, then answer viewpoint can be commented Point, and scoring is more than the default answer viewpoint for scoring threshold value and is fed back as question and answer result.For example, problem information is " pregnancy points for attention ", one of candidate answers be " should sincerely keep doctor, more, principle of fighting when pregnancy, that is, periodically see doctor, it is more It lies up, defeats the bad habit of oneself.", can be " doctor, more, war principle should be sincerely kept when pregnancy " by the candidate answers cutting, " that is, periodically seeing doctor ", " lying up ", " bad habit for defeating oneself " four candidate answers short sentences more.Then it can will wait It selects the content or approximate content that are repeated in answer short sentence to carry out polymerization and generates viewpoint polymerization cluster, and select answer viewpoint.It Afterwards, scoring feedback unit 3143311 can carry out answer viewpoint according to abundant information degree, degree of having sufficient grounds, information redundance etc. Scoring, and scoring is more than the default answer viewpoint for scoring threshold value and is fed back as question and answer result.In addition, being seen selecting answer After point, then the sentence that can obtain it where in carrying out source article intercepts sentence according to predetermined length, is seen to generate the answer The corresponding abstract of point.Abstract can be ranked up according to abundant in content degree, answer authority later.
When problem types are clip types, as shown in figure 32, generate submodule 31433 and may include second acquisition unit 3143312, the second cutting unit 3143313, marking unit 3143314, the second generation unit 3143315, the first sequencing unit 3143316, the second feedback unit 3143317.
Second acquisition unit 3143312 can obtain the corresponding candidate answers of problem information, and the second cutting unit 3143313 is right Candidate answers carry out cutting to generate multiple candidate answers short sentences, and unit 3143314 of then giving a mark is to multiple candidate answers short sentences Importance marking is carried out to generate the corresponding short sentence importance feature of candidate answers short sentence, 3143315 basis of the second generation unit Short sentence importance feature generates answer abstract, the short sentence importance that then the first sequencing unit 3143316 can make a summary according to answer Feature, answer authority, the correlation of problem information and the richness of answer give a mark to answer quality.Wherein, short sentence weight It spends feature and may include aggregation features, degree of correlation feature, type feature and problem answers matching degree feature.Wherein, aggregation features Multiplicity for weighing short sentence, such as:Term vector centroid feature, NGram (calculating probability of occurrence) feature, Lexrank are (mostly literary This autoabstract) feature etc..Type feature be problem type feature, as WHAT (what) type, WHY (why) type, HOW (how) type etc..Answer authority is the technorati authority of the website in answer source.After this, the behavior of user can be obtained Then data are ranked up candidate answers according to the behavioral data of user and marking result, final second feedback unit 3143317 feed back ranking results as question and answer result.Wherein, the behavioral data of user is to may include user to question and answer knot The click behavior of fruit, in question and answer result residence time, the use such as other question and answer results are jumped to by current question and answer result The historical behavior information at family.
In one embodiment of the invention, as shown in figure 33, information search service module 31440 may include the second reception Submodule 31441, first searches for submodule 31442 and analysis feedback submodule 31443.Wherein, analysis feedback submodule 31443 It may include analytic unit 314431, the second sequencing unit 314432 and third generation unit 314433.
When user demand information is information search request, the second receiving submodule 31441 can receive problem information, and first Search submodule 31442 is scanned for according to problem information to generate multiple candidate web pages, then analysis feedback submodule 31443 Analytic unit 314431 can candidate web pages be carried out with discourse analysis to generate corresponding candidate chapter.It specifically, can be to candidate Webpage carries out chapter content extraction, chapter topic division and chapter relationship analysis and generates corresponding candidate chapter.Wherein, in chapter Hold the body part for extracting and predominantly identifying candidate web pages, deletes the content unrelated with user demand information.Chapter topic division It is analyzed for the thematic structure to chapter, chapter can be divided into multiple sub-topics.Chapter relationship analysis is in analysis chapter Relationship between multiple sub-topics, such as coordination etc..After generating candidate chapter, the second sequencing unit 314432 can be right Sentence in candidate chapter carries out marking sequence.Wherein, marking sequence be based primarily upon importance of the sentence in candidate chapter with And the degree of correlation between sentence and user demand information.After this, third generation unit 314433 can obtain the demand of user Scene information, and scene information and marking ranking results generate abstract according to demand, finally carry out abstract as question and answer result Feedback.Wherein scene information may include mobile terminal scene, computer scene.When scene information is mobile terminal scene, then may be used Compression is carried out to sentence to write a Chinese character in simplified form, and keeps the abstract of generation brief and concise as possible;When scene information be computer scene when, can to sentence into Row splicing fusion so that the abstract of generation is clear in detail.
As shown in figure 34, analysis feedback submodule 31443 may also include the second polymerized unit 314434.
Specifically, when generating candidate chapter, since the content in candidate chapter has correlation with user demand information, The content that then might have repetition or complementation then needs the second polymerized unit 314434 to gather the information of multiple candidate chapters It closes.
Second decision-making module 31500 can receive the question and answer of at least one question and answer service module return as a result, and to question and answer knot Fruit carries out decision with the final question and answer result of determination.
As shown in figure 35, chatting service subsystem 32000 may include the first receiving module 32100, the second distribution module 32200, chatting service module 32300, the second receiving module 32400 and sorting module 32500.
First receiving module 32100 is for receiving input information input by user.
Wherein, input information can be voice messaging, can also be text message.
Second distribution module 32200 is used to input information being distributed to chatting service module 32300.
Second receiving module 32400 is used to receive the candidate reply that multiple chatting service modules 32300 return.Wherein, it waits Choosing, which is replied, has corresponding confidence level.
Sorting module 32500 is used to be ranked up reply to be selected based on confidence level, and is generated and chatted according to ranking results Information, and provide a user chat message.
Specifically, sorting module 32500 can obtain the feature of the input information of user, and the feature based on input information and Confidence level is ranked up reply to be selected.Wherein, the feature of input information may include characteristic of division, literal feature, topic feature Deng.Confidence level is higher, then reply quality to be selected is better, can be arranged reply to be selected according to the sequence of confidence level from high to low Sequence finally provides a user the chat message for meeting user demand.
As shown in figure 36, chatting service module 32300 may include that chat module 32310, rich knowledge based on search are chatted Module 32320, the chat module 32330 based on portrait and the chat module based on crowdsourcing 32340.
Wherein, as shown in figure 37, the chat module 32310 based on search may include cutting word submodule 32311, inquiry submodule Block 32312, filter submodule 32313, classification submodule 32314 and first reorder submodule 32315.Wherein, submodule is filtered Block 32313 may include the second computing unit 323131, filter element 323132, stick unit 323133, submodule 32314 of classifying It may include third computing unit 323141, taxon 323142, first reorders, and to may include that third obtains single for submodule 32315 Member 323151 and the unit 323152 that reorders.
Specifically, cutting word submodule 32311 can carry out input information cutting word to generate multiple chat short sentences, then inquire Submodule 32312 can inquire chat corpus to generate sentence and multiple chats on multiple chat language materials according to multiple chat short sentences Sentence under the corresponding multiple chat language materials of sentence on language material.Wherein, chat corpus is to pre-establish, and language is chatted source and be may include but unlimited "-money order receipt to be signed and returned to the sender of posting " in the forum datas such as mhkc, " blog article-reply " in microblogging, " problem-answer " in Ask-Answer Community Deng.
After this, filter submodule 32313 can be filtered sentence on multiple chat language materials.Specifically, it second calculates Unit 323131 can calculate the similarity between sentence on input information and multiple chat language materials.If it is default that similarity is less than first Similarity threshold, then filter element 323132 sentence on corresponding chat language material can be filtered;If similarity is greater than or equal to the One default similarity threshold, then stick unit 323133 sentence on corresponding chat language material can be retained.
After sentence is filtered on to chat language material, classification submodule 32314 can be on the chat language material after filtering Sentence is classified under the corresponding chat language material of sentence.Specifically, third computing unit 323141 can calculate input information and be chatted with multiple Similarity under its language material between sentence, taxon 323142 according to similarity be based on GBDT (gradient boost decision tree, Gradient Boost Decision Tree), the engineerings such as SVM (support vector machines, Support Vector Machine) Model is practised to classify to sentence under multiple chat language materials.Wherein, the similarity under input information and multiple chat language materials between sentence It can be similarity literal between sentence under input information and chat language material, can also be input information and sentence base under chat language material Can also be that input information is based on Machine Translation Model with sentence under chat language material in the similarity that deep neural network is trained The similarity that training obtains.It should be understood that similar between input information and sentence under multiple chat language materials in the present embodiment The machine learning models such as degree and GBDT, SVM are known technology, are not repeated herein.
Then first submodule 32315 that reorders can reorder to sentence under the chat language material after classification, and according to Ranking results generate candidate reply.Specifically, the acquisition of information above that third acquiring unit 323151 can chat according to user is used The chat attribute at family, the unit 323152 that reorders are based on study to sentence under the chat language material after classification according to chat attribute and sort Model (Learning-To-Rank) reorders.Wherein, chat attribute may include occasion such as time and location of chat etc., chat It interest, style of chat etc..Certainly, chat attribute is not limited only to obtain in the information above chatted from user, also may be used To be obtained according to the long-term history chat record of user.It should be understood that it is known skill to learn order models in the present embodiment Art does not repeat herein.
As shown in figure 38, rich knowledge chat module 32320 may include the second search submodule 32321, extract submodule 32322, submodule 32323 and second is rewritten to reorder submodule 32324.Specifically, the second search submodule 32321 can basis Input information generates search term, and is scanned for according to search term to generate multiple search results, then extracts submodule 32322 Sentence extraction is carried out to multiple search results, to obtain the sentence for being more than the second default similarity threshold with the similarity of search term Candidate sentences set.After this, the sentence in candidate sentences set can be rewritten to generate by rewriting submodule 32323 Candidate replys.In addition, second reorder submodule 32324 can be according to the chat attribute of user to the sentence in candidate sentences set It reorders.For example, input information is " it is desirable that having an opportunity to travel to Fuji ", can be parsed to input information And corresponding search term " Fuji, tourism " is generated, multiple search results, and extraction and search term are then obtained according to search term The high sentence of similarity.Wherein, some sentences may include that such as " reporter learned " obviously to select from web page text, therefore need These sentences rewritten, keep it more smooth, more like the sentence of natural language chat, candidate reply ultimately generated is " only having a period of time of defined summer that can climb the mountain due to weather, in 1 year in Fuji ", relative to traditional reply " I also wants to go to Fuji, together.", there is certain intellectual, and there is certain timeliness, usable family can chat Useful knowledge is obtained in journey.
As shown in figure 39, the chat module 32330 based on portrait may include that the second acquisition submodule 32331, first judges Submodule 32332, sending submodule 32333, first update submodule 32334.
It personalizes to be better achieved, and provides personalized service to the user, man-machine chat system can set itself Attribute, state, interest etc., i.e. system draws a portrait model.Attribute, state, the interest etc. of user, i.e. user's portrait mould can also be set Type.Certainly, when in face of different users, the system portrait model used can be same, can also be directed to each user Corresponding system portrait model can be set.System portrait model and user's portrait model are based on portrait knowledge mapping. Portrait knowledge mapping is the knowledge hierarchy of a stratification.For example, " kinsfolk " node may include " siblings " and " parent " two child nodes, " parent " child node include " father " and " mother " two child nodes.Each node is corresponding with more A input information template cluster, such as " whom your father is ", " who be your father ", " what your father cries " belong to the same input Information model cluster.Each input information template cluster corresponds to one or more candidate replies.Input information template cluster and candidate reply It may include variable, such as interest, hobby, the corresponding same attribute " INTEREST " of hobby, and the attribute value of " INTEREST " can wrap Include climb the mountain, music, reading, movement etc..
Specifically, the second acquisition submodule 32331 can obtain the chat context of user, the first judging submodule 32332 Judge whether to meet collection condition according to chat context.If it is determined that meeting collection condition, then sending submodule 32333 can be to user Transmission problem.After this, the first update submodule 32334 can receive answer information of the user according to problem, and according to answer Information is updated user's portrait model.Such as:When chatting the relevant topic of film with user, problem can be sent to user " you like any film" or user ask man-machine chat system " you like that is eaten", man-machine chat system can ask in reply user " you like that is eaten", user answer after, can the answer information based on user to user draw a portrait model be updated, more Meet the demand of user individual.
In addition, as shown in figure 40, the chat module 32330 based on portrait may also include third acquisition submodule 32335, carry Submodule 32336, second is taken to update submodule 32337.
Specifically, third acquisition submodule 32335 can obtain the chat content of user, and extracting sub-module 32336 is according to merely Its contents extraction user's representation data, then second updates submodule 32337 according to user's representation data of extraction to user's picture As model is updated.Such as:User says in chat process " to be liked climbing the mountain when I has nothing to do, fishes fishing.", it can carry Family representation data " hobby climb the mountain, love fishing " is taken, to be updated to user's model of drawing a portrait.Meanwhile user can be based on Representation data extracts suitable answer, and suitable answer information is returned to user.
Crowdsourcing (crowdsourcing) is a kind of method that particular task is contracted out to non-user-specific in internet, right In man-machine chat, the problem of machine is difficult to answer, executor can be distributed to and manually replied in real time online, to full The actual demand of sufficient user.
Specifically, the chat module 32340 based on crowdsourcing can determine whether that input information is completed if appropriate for crowdsourcing, such as user Depressed needs comfort etc., then be suitble to crowdsourcing to complete.Such as in the input information of user include personally identifiable information, close The privacy informations such as code, phone are then not suitable for crowdsourcing and complete.
If it is determined that crowdsourcing is suitble to complete, then input information can be distributed to correspondence by the chat module 32340 based on crowdsourcing Executor.Certainly, information above while can be also sent to executor, executor can believe according to information above and input together Breath is replied.The chat module for being then based on crowdsourcing can receive the return information of executor, and carry out quality to return information Judge.If meeting quality requirement, replied return information as candidate.Such as:In return information if comprising vulgar, anti- Dynamic, Pornograph, then quality is unqualified.Or the time that executor replys has been more than scheduled duration, then the reply of the executor Information will not be used, while can be preserved the return information into chat corpus.
In addition, as shown in figure 41, chatting service subsystem 32000 may also include correction module 32600.
Correction module 32600 is used for after receiving input information input by user, to input information carry out error correction and/or It rewrites, for correcting the wrong word in input information, rewrites irregular colloquial style expression etc..
In addition, as shown in figure 42, chatting service subsystem 32000 may also include analysis module 32700.
Analysis module 32700 is used for after receiving input information input by user, and domain analysis is carried out to input information To obtain the corresponding field of input information, then the second distribution module 32200 can will be inputted according to the corresponding field of input information Information is distributed to the same or similar chatting service module like field.
In addition, as shown in figure 43, chatting service subsystem 32000 may also include the judgement of the 5th acquisition module 32800, first Module 32900, completion module 321000.
5th acquisition module 32800 is used for after receiving input information input by user, and acquisition is chatted upper with user Literary information, and according to the current topic information of acquisition of information user above.Then, the first judgment module 32900 can be according to above Information judges whether input information and the dependence of information above are more than preset relation threshold value.It is more than default close in dependence When being threshold value, completion module 321000 can carry out completion according to information above to input information, to ensure the stream of man-machine chat Smooth degree.Specifically, completion is carried out to input information and may include reference resolution.For example, input information is that " he gets married ", then " he " in input information can be replaced by " Liu Dehua " according to information above " Liu Dehua ".Input information is carried out Completion may also include omission completion.For example, " Liu De China wife is Zhu Liqian to information above.", input information is that " I does not recognize Know.", then can be that " I does not recognize Zhu Liqian by input information completion.”.
In addition, as shown in figure 44, chatting service subsystem 32000 may also include the second judgment module the 321100, the 7th and obtain Modulus block 321200, the first generation module 321300 and the second generation module 321400.
Second judgment module 321100 such as " is breathed out for judging whether input information belongs to the chat message of no actual content Breathe out ", " hoho " etc..If it is determined that being the chat message for belonging to no actual content, then the 7th acquisition module 321200, which can obtain, works as Preceding topic calculates actualite based on topic model (Topic Model) according to history chat record.Obtaining current words After topic, the first generation module 321300 can be based on topic chat collection of illustrative plates and generate guiding topic according to actualite.Wherein, topic Collection of illustrative plates of chatting is one using topic as the digraph of node.For example, node " leisure " may point to node " watching movie " and node " is listened Song ", then explanation can be from topic " leisure " guiding to topic " watching movie " or topic " listening song ".Topic " watching movie " and topic " listening song " all has certain Guiding probability, and the guiding of topic can be realized according to Guiding probability, to ensure to guide the more of topic Sample.Then, the second generation module 321400 can generate candidate reply according to guiding topic.Specifically, natural language can be based on Model (Natural Language Generation) is generated, the candidate template replied is generated, guiding topic is filled to the mould Candidate reply is generated in plate;The sentence comprising guiding topic can also be chosen to reply as candidate, user is carried out to realize Initiatively chat topic guides.
As shown in figure 45, guiding and recommendation service subsystem 33000 may include:Determining module 33100 obtains module 33200, the 8th acquisition module 33300 and feedback module 33400.
Determining module 33100 determines actualite for receiving interactive information input by user according to interactive information.
Specifically, it is determined that module 33100 can first receive interactive information input by user for example:" it is good-looking to steal dream space", Then demand identification and correlation calculations are carried out to the interactive information, so that it is determined that actualite is " stealing dream evaluation space ".
Module 33200 is obtained to be used to obtain the multiple and relevant guiding topic to be selected of actualite based on topic collection of illustrative plates.
Wherein, topic collection of illustrative plates may include the incidence relation between multiple topics and topic.
Specifically, obtaining module 33200 can be multiple relevant with actualite based on the topic collection of illustrative plates acquisition pre-established Guiding topic to be selected.Such as:Actualite is " stealing dream evaluation space ", then can be obtained according to topic collection of illustrative plates multiple and " it is empty steal dream Between evaluate " relevant guiding topic such as the film of director " Nolan ", " film that Leonardo is acted the leading role " and they and " robber's dream Incidence relation between evaluation space ".
8th acquisition module 33300 is used to obtain user's representation data of user.
Wherein, user's representation data is the set of the data such as attribute, state, the interest of user, can be actively defeated by user Enter or obtained according to the history intersection record of user, then it is integrated, to generate the personalization about user User's representation data.
Feedback module 33400 is used for according to user's representation data from the multiple and relevant guiding topic to be selected of actualite Selection guiding topic, and guide topic to user feedback.
Specifically, feedback module 33400 can determine user according to the contextual information of user's representation data and interactive information Intent information, then according to the user's intention information from it is multiple with the relevant guiding topic to be selected of actualite in selection guiding Topic, and guide topic to user feedback.
For example, guiding topic can be the extension of actualite.Such as:Interactive information is that " how chicken is cooked", then Actualite can be " way of chicken ".After actualite interacts, actualite can be extended, in conjunction with user's representation data Such as " user is pregnant woman ", then topic " it is relatively good how pregnant woman eats chicken " can be guided to user feedback.
Certainly, guiding topic can also be the recommendation based on actualite.Such as:Interactive information is " it is good-looking to steal dream space ", then actualite can be " stealing dream evaluation space ".After actualite interacts, it can be based on actualite, and combine and use Family representation data such as " user likes watching movie ", then can guide topic " film of Nolan " to user feedback.
And when that can not determine the intent information of user according to the contextual information of user's representation data and interactive information, then It needs to clarify the intent information of user.Such as:Interactive information is " how to get to remove the Forbidden City", and Beijing, Shenyang and the Taibei Have " the Forbidden City ", it is therefore desirable to the intent information of user be clarified, can be returned to user according to interactive information and be intended to clarification Question sentence " may I ask you are which the Forbidden City removed”.
In addition, as shown in figure 46, guiding and recommendation service subsystem 33000, which may also include, establishes module 33500.
Module 33500 is established for establishing topic collection of illustrative plates.
A node in topic collection of illustrative plates indicates the topic or a demand that user proposes, may include in each node There is the reply of corresponding topic and meet the resource of user demand, and can be associated by side between related node, to Form netted topic collection of illustrative plates.
Specifically, it establishes module 33500 and may include the 4th acquisition submodule 33510 and setting up submodule 33520.
4th acquisition submodule 33510 can obtain topic associated data.
4th acquisition submodule 33510, which obtains topic associated data, can be divided into two kinds of situations.
The first situation:Network text data can be first obtained, and obtains topic associated data from network text data.Its In, network text data can be divided into unstructured data, semi-structured data and structural data.
When network text data is unstructured data, entity extraction can be based on and syntactic analysis obtains topic incidence number According to.Wherein, unstructured data may include news, forum, blog, video etc..Such as:Network text data " is most looked steadily The flowers are in blossom a master for purpose Nobel prize in literature, and Frenchman's Modiano becomes new lucky man.Certainly, repeatedly nomination is always encouraged with promise Spring tree or that " nearest people is encouraged from promise " in the village narrowly missed.Chinese poet Bei Dao, has also only made compatriots fanatic one It returns.", entity extraction technology extraction entity information " Nobel prize in literature ", " Frenchman's Modiano ", " spring in village can be based on Tree ", " Chinese poet Bei Dao ", and know between above-mentioned entity information there is association based on syntactic analysis.Further, may be used also It is Nobel Prize for literature to analyze Frenchman's Modiano, and spring tree and China poet Bei Dao there is no Nobel in village Literary prize etc..
When network text data is semi-structured data, obtained based on page layout analysis, tag extraction, Entity recognition Topic associated data.Wherein, semi-structured data may include the encyclopaedias such as wikipedia, Baidupedia data or thematic data Deng.Such as:It can be based on page layout analysis, tag extraction, Entity recognition, " the living off field " for obtaining " De Yuekeweiqi " includes " family life " and " charitable activity ".
When network text data is structural data, topic associated data is obtained from knowledge mapping.Wherein, structuring Data may include knowledge mapping data.Such as:The director of film " stealing dream space " and film " interspace to pass through " is " Christo Not Nolans ".
The second situation:The behavioral data of user can be first obtained, topic associated data is then generated according to behavioral data.Its In, behavioral data may include search behavior data and navigation patterns data.
Specifically, the search behavior data of user can be obtained, and according to the corresponding object search of search behavior data acquisition, Then topic associated data is generated according to object search.Such as:User continuously search " Nolan ", " film of Nolan " and " gram In Fletcher Christian Bells ", then above-mentioned topic can be associated, to generate topic associated data.
It is of course also possible to the navigation patterns data of user are obtained, and according to the corresponding browsing pair of navigation patterns data acquisition As generating topic associated data according to browsing object.Such as:When can user be browsed webpage multiple news for clicking or video into Row association, to generate topic associated data.
After obtaining topic associated data, setting up submodule 33520 can be calculated by RandomWalk algorithms, association analysis It is one or more in method, collaborative filtering, topic collection of illustrative plates is established according to topic associated data.
For example, as shown in figure 17, q1, q2, q3 and q1 ', q2 ', q3 ', q4 ' be topic, d1, d2, d3 and d4 are Resource data.As can be known from Fig. 13, resource data d1 and d2 is associated with topic q1;Resource data d1, d2, d3 and topic q2 phases Association;Resource data d4 is associated with topic q3, is connected with solid line between topic and resource data with incidence relation.It is based on RandomWalk algorithms, which can iterate to calculate out, has incidence relation between topic q1 and resource data d3, with dotted line phase between them Even.And topic q1 ' is user after having browsed resource data d1 or d4, according to the topic that resource data d1 or d4 are sent out, they Between incidence relation have ordinal relation.Similarly, topic q2 ' is the topic sent out according to resource data d2, and topic q3 ' is root According to the topic that resource data d2 or d3 are sent out, topic q4 ' is the topic sent out according to resource data d3 or d4.Further, may be used Derive that topic q1 and topic q1 ' has incidence relation, topic q1 and topic q2 ' have incidence relation etc., final to establish as schemed Topic collection of illustrative plates shown in 13.
In addition, as shown in figure 47, guiding and recommendation service subsystem 33000 may also include parsing module 33600, foundation carries Module 33700 of waking up and reminding module 33800.
Specifically, parsing module 33600 can parse interactive information, and obtain the critical field in interactive information. Wherein, critical field may include temporal information, location information, reminder events it is one or more.Then reminding module is established 33700 can establish prompting message according to critical field, and when temporal information reaches preset time, reminding module 33800 can be to User sends prompting message.As an example it is assumed that the interactive information of user is " 6 points of tomorrow evening reminds me to write work plan ", Temporal information " August 8 days 18 in 2015 can then be parsed:00 ", reminder events are " writing work plan ".When reaching this time When, user can be reminded.
The man-machine interactive system based on artificial intelligence of the embodiment of the present invention, including following advantages:(1) man-machine friendship is realized Mutual system is changed into from tool to personalize, and by the services such as chatting, searching for, user is allowed to be obtained during intelligent interaction gently Loose pleasant interactive experience, and no longer it is only search and question and answer.(2) it is improved to be based on nature language from the search of crucial word form The search of speech, user can carry out exposition need with the natural language of using flexible freely, and the interactive process more taken turns is closer to person to person Between interactive experience.(3) realize that actively search develops into round-the-clock company formula service, the personalization based on user from user Model can provide the services such as recommendation to the user whenever and wherever possible.
In the present invention, term " first ", " second " are used for description purposes only, and are not understood to indicate or imply opposite Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright Show or implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two It is a, three etc., unless otherwise specifically defined.
In the present specification, a schematic expression of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features or feature of description may be combined in any suitable manner in any one or more of the embodiments or examples. In addition, without conflicting with each other, those skilled in the art can by different embodiments described in this specification or The feature of example and different embodiments or examples is combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (114)

1. a kind of man-machine interaction method based on artificial intelligence, which is characterized in that include the following steps:
Receive the input information that user is inputted by application terminal;
Obtain the intent information of the user according to the input information of the user, and according to the intent information by the input Information is distributed at least one interactive service subsystem;
Receive returning the result at least one interactive service subsystem return;And
Generation user is returned the result according to according to preset decision strategy to return the result, and the user is returned the result and is carried It is supplied to the user;
The interactive service subsystem includes need satisfaction service subsystem, guiding and recommendation service subsystem and chatting service It is one or more in system;
The method further includes:
The need satisfaction service subsystem obtains problem information input by user;
The need satisfaction service subsystem is according to the user demand information of described problem acquisition of information user;
The need satisfaction service subsystem according to the user demand information by described problem information be distributed to it is corresponding at least One question and answer service module;And
The need satisfaction service subsystem receives the question and answer of at least one question and answer service module return as a result, and to described Question and answer result carries out decision with the final question and answer result of determination;
The question and answer service module includes that Aladdin service module, class of hanging down service module, depth question and answer service module and information are searched Rope service module;
The method further includes:
The depth question and answer service module receives described problem information;
The depth question and answer service module is according to the corresponding problem types of described problem acquisition of information;
The depth question and answer service module selects corresponding question-answering mode according to described problem type, and is given birth to according to the answer of selection Corresponding question and answer result is generated at pattern and described problem information.
2. the method as described in claim 1, which is characterized in that described return the result the user is provided to user's tool Body includes:
The user is returned the result and is converted into natural language and reports to the user.
3. the method as described in claim 1, which is characterized in that further include:
Receive the customized task information of user;And
The input information is distributed at least one interactive service subsystem according to the customized task information.
4. the method as described in claim 1, which is characterized in that the application terminal includes the ends PC, mobile terminal or intelligent machine Device people.
5. the method as described in claim 1, which is characterized in that if the user returns the result including executing instruction, institute The method of stating further includes:
Described execute instruction is sent to corresponding executive subsystem, and is executed by the executive subsystem.
6. the method as described in claim 1, which is characterized in that described to be returned the result according to according to preset decision strategy Generation user, which returns the result, to be specifically included:
Obtain the demand analysis feature of the input information;
Obtain the dialogue interactive information of the confidence characteristic returned the result, the user that the interactive service subsystem returns Contextual feature and the personalized model feature of the user;
According to the demand analysis feature, the confidence characteristic returned the result, the user dialogue interactive information it is upper The personalized model feature of following traits and the user carry out decision with determination user's return to described return the result As a result.
7. method as claimed in claim 6, which is characterized in that the demand analysis feature, the confidence level returned the result The personalized model feature of feature, the contextual feature of the dialogue interactive information of the user and the user is corresponding with respectively Respective decision weights.
8. the method for claim 7, which is characterized in that further include:
According to the daily record of the user based on enhancing learning model to the demand analysis feature, the confidence level returned the result The decision weights of the personalized model feature of feature, the contextual feature of the dialogue interactive information of the user and the user It is trained.
9. the method as described in claim 1, which is characterized in that further include:
Obtain the interaction information above interacted with the user;
Completion is carried out to the input information according to interaction information above.
10. the method as described in claim 1, which is characterized in that described according to choosing when described problem type is entity type The answer selected generates pattern and described problem information generates corresponding question and answer result and specifically includes:
Entity class problem information is generated according to described problem information;
Abstract and history based on search engine collecting show daily record and are extended the entity class problem information to generate together Race's entity problem information cluster, wherein the entity problem information cluster of the same clan corresponds to candidate answers respectively;
It is corresponded to respectively from the entity problem information cluster of the same clan and extracts candidate entity in candidate answers;
Calculate the confidence level of the candidate entity;And
The candidate entity that the confidence level is more than to default confidence threshold value is fed back as question and answer result.
11. the method as described in claim 1, which is characterized in that described according to choosing when described problem type is viewpoint type The answer selected generates pattern and described problem information generates corresponding question and answer result and specifically includes:
Obtain the corresponding candidate answers of described problem information;
Cutting is carried out to generate multiple candidate answers short sentences to the candidate answers;
The multiple candidate answers short sentence is polymerize and polymerize cluster to generate viewpoint;
Judge the viewpoint type of the viewpoint polymerization cluster;
It is polymerize in cluster from the viewpoint according to the viewpoint type and selects answer viewpoint, and it is corresponding to generate the answer viewpoint Abstract;
It scores the answer viewpoint, and scoring is more than the answer viewpoint of default scoring threshold value as the progress of question and answer result Feedback.
12. method as claimed in claim 11, which is characterized in that it is described to the multiple candidate answers short sentence polymerize with Viewpoint polymerization cluster is generated to specifically include:
Extract the keyword in the multiple candidate answers short sentence;
Calculate the vector angle and/or semantic similarity between keyword described in each two;
It is less than predetermined angle or semantic similarity to the vector angle more than the candidate answers of predetermined threshold value to polymerize It polymerize cluster to generate viewpoint.
13. the method as described in claim 1, which is characterized in that described according to choosing when described problem type is clip types The answer selected generates pattern and described problem information generates corresponding question and answer result and specifically includes:
Obtain the corresponding candidate answers of described problem information;
Cutting is carried out to generate multiple candidate answers short sentences to the candidate answers;
It is important to generate the corresponding short sentence of the candidate answers short sentence that importance marking is carried out to the multiple candidate answers short sentence Spend feature;
Answer abstract is generated according to the short sentence importance feature;
The short sentence importance feature made a summary according to the answer gives a mark to answer quality, and is answered candidate according to marking result Case is ranked up;
It is fed back ranking results as question and answer result.
14. method as claimed in claim 13, which is characterized in that the short sentence importance feature made a summary according to the answer Marking is carried out to answer quality to specifically include:
According to the abundant of the short sentence importance feature of answer abstract, answer authority, the correlation of problem information and answer Degree gives a mark to answer quality.
15. method as claimed in claim 13, which is characterized in that described to be ranked up tool to candidate answers according to marking result Body includes:
Obtain the behavioral data of user;And
The candidate answers are ranked up according to the behavioral data of the user and the marking result.
16. such as claim 1-15 any one of them methods, which is characterized in that further include:
Described information search service module receives described problem information;
Described information search service module is scanned for according to described problem information to generate multiple candidate web pages;
Described information search service module carries out discourse analysis to generate corresponding abstract to the candidate web pages, and abstract is made It is fed back for question and answer result.
17. the method described in claim 16, which is characterized in that described to carry out discourse analysis to candidate web pages to generate correspondence Abstract specifically include:
Discourse analysis is carried out to the candidate web pages to generate corresponding candidate chapter;
Marking sequence is carried out to the sentence in the candidate chapter;And
The abstract is generated according to marking ranking results.
18. method as claimed in claim 17, which is characterized in that described to generate the abstract specifically according to marking ranking results Including:
Obtain the demand scene information of user;
The abstract is generated according to the demand scene information and the marking ranking results.
19. method as claimed in claim 17, which is characterized in that further include:
The information of multiple candidate chapters is polymerize.
20. the method as described in claim 1, which is characterized in that further include:
The chatting service subsystem receives input information input by user;
The input information is distributed to chatting service module by the chatting service subsystem;
The chatting service subsystem receives the candidate reply that multiple chatting service modules return, wherein the candidate reply tool There is corresponding confidence level;
The chatting service subsystem is based on the confidence level and is ranked up to candidate reply, and is generated according to ranking results Chat message, and provide the chat message to the user.
21. method as claimed in claim 20, which is characterized in that after the reception input information input by user, also Including:
Error correction and/or rewriting are carried out to the input information.
22. method as claimed in claim 20, which is characterized in that after the reception input information input by user, also Including:
Domain analysis is carried out to obtain the corresponding field of the input information to the input information, wherein according to the input The input information is distributed to the same or similar chatting service module like field by the corresponding field of information.
23. method as claimed in claim 20, which is characterized in that after the reception input information input by user, also Including:
Obtain the information above with user chat;
Judge whether the input information and the dependence of the information above are more than preset relation according to the information above Threshold value;And
If it is greater than the preset relation threshold value, then completion is carried out to the input information according to the information above.
24. method as claimed in claim 23, which is characterized in that further include:
According to the current topic information of user described in the acquisition of information above.
25. method as claimed in claim 20, which is characterized in that the chatting service module includes the chat mould based on search It is one or more in block, rich knowledge chat module, the chat module based on portrait and the chat module based on crowdsourcing.
26. method as claimed in claim 25, which is characterized in that further include:
It is described that cutting word is carried out to generate multiple chat short sentences to the input information based on the chat module of search;
It is described that chat corpus is inquired to generate multiple chat languages according to the multiple chat short sentence based on the chat module of search Sentence under the corresponding multiple chat language materials of sentence on sentence and the multiple chat language material on material;
It is described that sentence on the multiple chat language material is filtered based on the chat module of search;
It is described to be classified to sentence under the corresponding chat language material of sentence on the chat language material after filtering based on the chat module of search; And
It is described to be reordered to sentence under the chat language material after classification based on the chat module of search, and tied according to sequence Fruit generates the candidate reply.
27. method as claimed in claim 26, which is characterized in that it is described based on the chat module of search to the multiple chat Sentence, which is filtered, on language material specifically includes:
Calculate the similarity between sentence on the input information and the multiple chat language material;
If the similarity is less than the first default similarity threshold, sentence on corresponding chat language material is filtered;And
If the similarity is greater than or equal to the described first default similarity threshold, sentence on corresponding chat language material is protected It stays.
28. method as claimed in claim 26, which is characterized in that sentence is corresponding on the chat language material after described pair of filtering chats Sentence classify and specifically includes under its language material:
Calculate the similarity between sentence under the input information and the multiple chat language material;And
Classified to sentence under the multiple chat language material according to the similarity.
29. method as claimed in claim 28, which is characterized in that under the input information and the multiple chat language material sentence it Between similarity include:
Similarity literal between sentence under the input information and the chat language material;
Alternatively, the input information and the similarity that sentence is trained based on deep neural network under the chat language material;
Alternatively, the input information and the similarity that sentence is trained based on Machine Translation Model under the chat language material.
30. method as claimed in claim 26, which is characterized in that sentence carries out under the chat language material after described pair of classification It reorders and specifically includes:
According to the chat attribute of user described in the acquisition of information above of user chat;
It is reordered to sentence under the chat language material after the classification according to the chat attribute.
31. method as claimed in claim 25, which is characterized in that further include:
The richness knowledge chat module generates search term according to the input information, and is scanned for life according to described search word At multiple search results;
The richness knowledge chat module carries out sentence extraction to the multiple search result, to obtain candidate sentences set;
The richness knowledge chat module rewrites the sentence in the candidate sentences set to generate the candidate reply.
32. method as claimed in claim 31, which is characterized in that the sentence in the candidate sentences set and described search word Similarity be more than the second default similarity threshold.
33. method as claimed in claim 31, which is characterized in that further include:
It is reordered to the sentence in the candidate sentences set according to the chat attribute of the user.
34. method as claimed in claim 25, which is characterized in that further include:
The chat module based on portrait obtains the chat context of the user;
It is described to judge whether to meet collection condition according to the chat context based on the chat module of portrait;
If it is determined that meeting the collection condition, then problem is sent to the user;
Answer information of the user according to described problem is received, and model progress is drawn a portrait more to user according to the answer information Newly.
35. method as claimed in claim 25, which is characterized in that further include:
The chat module based on portrait obtains the chat content of the user;
It is described that user's representation data is extracted according to the chat content based on the chat module of portrait;
It is described that user's portrait model is updated according to user's representation data of extraction based on the chat module of portrait.
36. method as claimed in claim 25, which is characterized in that further include:
The chat module based on crowdsourcing judges that the input information is completed if appropriate for crowdsourcing;
If it is determined that crowdsourcing is suitble to complete, then the input information is distributed to corresponding executor;
The return information of the executor is received, and Quality estimation is carried out to the return information;
If meeting quality requirement, using the return information as the candidate reply.
37. method as claimed in claim 20, which is characterized in that further include:
Judge whether the input information belongs to the chat message of no actual content;
If it is determined that being the chat message for belonging to no actual content, then actualite is obtained;
Guiding topic is generated according to the actualite;And
The candidate reply is generated according to the guiding topic.
38. method as claimed in claim 20, which is characterized in that described to be carried out to candidate reply based on the confidence level Sequence specifically includes:
Obtain the feature of the input information of the user;And
Feature and the confidence level based on the input information are ranked up candidate reply.
39. the method as described in claim 1, which is characterized in that further include:
The guiding and recommendation service subsystem receive interactive information input by user, and are determined currently according to the interactive information Topic;
The guiding and recommendation service subsystem are based on topic collection of illustrative plates and obtain the multiple and relevant guiding to be selected of the actualite Topic, wherein the topic collection of illustrative plates includes the incidence relation between multiple topics and the topic;
The guiding and recommendation service subsystem obtain user's representation data of the user;And
The guiding and recommendation service subsystem are according to user's representation data from the multiple related to the actualite Guiding topic to be selected in selection guiding topic, and guide topic to described in the user feedback.
40. method as claimed in claim 39, which is characterized in that be based on topic figure in the guiding and recommendation service subsystem Before spectrum obtains the multiple and relevant guiding topic to be selected of the actualite, further include:
Establish the topic collection of illustrative plates.
41. method as claimed in claim 40, which is characterized in that described to establish the topic collection of illustrative plates and specifically include:
Obtain topic associated data;And
The topic collection of illustrative plates is established according to the topic associated data.
42. method as claimed in claim 41, which is characterized in that the acquisition topic associated data specifically includes:
Obtain network text data;
When the network text data is unstructured data, the topic is obtained with syntactic analysis based on entity extraction and is associated with Data;Or
When the network text data is semi-structured data, obtained based on page layout analysis, tag extraction, Entity recognition The topic associated data;Or
When the network text data is structural data, the topic associated data is obtained from knowledge mapping.
43. method as claimed in claim 41, which is characterized in that the acquisition topic associated data, including:
The search behavior data of the user are obtained, and corresponding object search is obtained according to described search behavioral data, and The topic associated data is generated according to described search object;Or
Obtain the navigation patterns data of the user, and according to the corresponding browsing object of the navigation patterns data acquisition, according to The browsing object generates the topic associated data.
44. method as claimed in claim 41, which is characterized in that described to establish the topic according to the topic associated data Collection of illustrative plates specifically includes:
By one or more in RandomWalk algorithms, association analysis algorithm, collaborative filtering, closed according to the topic Connection data establish the topic collection of illustrative plates.
45. method as claimed in claim 39, which is characterized in that described to determine actualite according to the interactive information, tool Body includes:
Demand identification and correlation calculations are carried out with the determination actualite to the interactive information.
46. method as claimed in claim 39, which is characterized in that the guiding and recommendation service subsystem are according to the user Representation data from it is the multiple with the relevant guiding topic to be selected of the actualite in selection guide topic, and to the user The guiding topic is fed back, is specifically included:
The intent information of the user is determined according to the contextual information of user's representation data and the interactive information;
It selects to draw from the multiple relevant guiding topic to be selected with the actualite according to the intent information of the user Topic is led, and topic is guided to described in the user feedback.
47. method as claimed in claim 39, which is characterized in that further include:
The interactive information is parsed, and obtains the critical field in the interactive information, when the critical field includes Between information, location information, reminder events it is one or more;
Prompting message is established according to the critical field;
When the temporal information reaches preset time, the prompting message is sent to user.
48. the method as described in claim 1, which is characterized in that further include:
If there is no the users for meeting the user demand to return the result in Internet resources, record the user's Input information;
It is monitored in the Internet resources with predetermined period and is returned the result with the presence or absence of the user for meeting the user demand;
In the presence of the user returns the result, the user is returned the result and is provided to the user.
49. the method as described in claim 1, which is characterized in that further include:
The vertical class service module obtains query word input by user;
The vertical class service module determines the vertical class that the query word belongs to;
The vertical class service module carries out the interaction of at least one wheel with user, is used in the vertical class that the query word belongs to The query result that family needs, wherein when often wheel interaction, show the information of user to include:The query result of corresponding query word, with And guidance information.
50. according to the method for claim 49, which is characterized in that the query word be natural language indicate, it is described In the vertical class that the query word belongs to, the interaction of at least one wheel is carried out with user, obtains the query result of user's needs, including:
The query word is resolved to the structured message that the vertical class knowledge hierarchy for the vertical class that the query word belongs to can indicate;
According to the structured message, the vertical class knowledge hierarchy, and, the vertical class resource for the vertical class that the query word belongs to Library, obtains relevant information, and the relevant information includes:The query result of the corresponding query word, and, guidance information;
The query result and the guidance information are shown to user;
After user is according to the guidance information again input inquiry word, the above-mentioned stream that relevant information is obtained according to query word is repeated Journey, until obtaining the query result of user's needs.
51. according to the method for claim 50, which is characterized in that described to be known according to the structured message, the vertical class Knowledge system, and, the vertical class resources bank for the vertical class that the query word belongs to obtains relevant information, including:
According to the structured message and the previous status information of user, the current state information of user is updated;
According to the vertical class knowledge hierarchy and the vertical class resources bank, the corresponding candidate actions of the current state information are generated;
It in the candidate actions selects to be greater than the set value with the current state information matching degree according to preset model pre- If the candidate actions of number, using the candidate actions selected as relevant information.
52. method according to claim 51, which is characterized in that further include:
According to the parameter of the feedback update preset model of user, so as in parameter not different candidate actions of simultaneous selection.
53. method according to claim 51, which is characterized in that further include:
According to the preference or interactive history of user, the init state information of user is obtained.
54. method according to claim 51, which is characterized in that the candidate actions include:Meet the dynamic of user demand Make, alternatively, the further action of clarification user demand, alternatively, guidance information laterally or longitudinally is provided for user demand, In, user demand is determined according to query word, the action for meeting user demand, alternatively, further clarifying the dynamic of user demand Make, as query result after being selected, guidance information laterally or longitudinally to be provided after being selected as guiding for user demand Information.
55. according to the method for claim 50, which is characterized in that further include:
The unstructured resource and unstructured resources for obtaining the vertical class that the query word belongs to, by the unstructured resource and described Unstructured resources form the vertical class resources bank, wherein the unstructured resource is captured from multiple corresponding vertical class websites The all light data resource obtained after integral data, the unstructured resources are obtained according to user's query word or internet text mining The supplement or extension information of the unstructured resource arrived.
56. according to claim 49-55 any one of them methods, which is characterized in that it is described to obtain query word input by user, Including:
Obtain the query word that user is inputted with text, voice or image.
57. method according to claim 56, which is characterized in that the vertical class that the determination query word belongs to, including:
Based on machine learning mode, alternatively, being based on pattern analysis mode, the vertical class that the query word belongs to is determined.
58. a kind of man-machine interactive system based on artificial intelligence, which is characterized in that including:
First receiving subsystem, the input information inputted by application terminal for receiving user;
Distribution subsystem, the intent information for obtaining the user according to the input information of the user, and according to the meaning The input information is distributed at least one interactive service subsystem by figure information;
Second receiving subsystem, for receiving returning the result at least one interactive service subsystem return;
Subsystem is generated, is returned the result for returning the result generation user according to according to preset decision strategy;And
Subsystem is provided, the user is provided to for returning the result the user;
The interactive service subsystem includes need satisfaction service subsystem, guiding and recommendation service subsystem and chatting service It is one or more in system;
The need satisfaction service subsystem, specifically includes:
Third acquisition module, for obtaining problem information input by user;
4th acquisition module, for the user demand information according to described problem acquisition of information user;
First distribution module, for described problem information to be distributed to corresponding at least one ask according to the user demand information Answer service module;And
Second decision-making module, for receiving the question and answer of at least one question and answer service module return as a result, and to the question and answer As a result decision is carried out with the final question and answer result of determination;
The question and answer service module includes that Aladdin service module, class of hanging down service module, depth question and answer service module and information are searched Rope service module;
The depth question and answer service module, specifically includes:
First receiving submodule, for receiving described problem information;
First acquisition submodule, for according to the corresponding problem types of described problem acquisition of information;
Submodule is generated, for selecting corresponding question-answering mode according to described problem type, and mould is generated according to the answer of selection Formula and described problem information generate corresponding question and answer result.
59. system as claimed in claim 58, which is characterized in that the offer subsystem is specifically used for:
The user is returned the result and is converted into natural language and reports to the user.
60. system as claimed in claim 58, which is characterized in that further include:
First receiving subsystem is additionally operable to receive the customized task information of user;And
The distribution subsystem is additionally operable to that the input information is distributed at least one interaction according to the customized task information Service subsystem.
61. system as claimed in claim 58, which is characterized in that the application terminal includes the ends PC, mobile terminal or intelligence Robot.
62. system as claimed in claim 58, which is characterized in that the system also includes:
It sends subsystem and described execute instruction is sent to corresponding hold when the user returns the result including executing instruction Row subsystem;
The executive subsystem executes instruction described in executing.
63. system as claimed in claim 58, which is characterized in that the generation subsystem specifically includes:
First acquisition module, the demand analysis feature for obtaining the input information;
Second acquisition module, for obtaining the confidence characteristic returned the result, the use that the interactive service subsystem returns The contextual feature of the dialogue interactive information at family and the personalized model feature of the user;
First decision-making module, for according to the demand analysis feature, the confidence characteristic returned the result, the user Talk with interactive information contextual feature and the user personalized model feature to it is described return the result carry out decision with Determine that the user returns the result.
64. the system as described in claim 63, which is characterized in that the demand analysis feature, the confidence returned the result Degree feature, the contextual feature of the dialogue interactive information of the user and the personalized model feature of the user correspond to respectively There are respective decision weights.
65. the system as described in claim 64, which is characterized in that the generation subsystem further includes:
Training module, for according to the daily record of the user be based on enhancing learning model to the demand analysis feature, described return Return the personalized model of the confidence characteristic of result, the contextual feature of the dialogue interactive information of the user and the user The decision weights of feature are trained.
66. system as claimed in claim 58, which is characterized in that the system also includes:
Completion subsystem, for obtaining the interaction information above interacted with the user, and according to interaction information pair above The input information carries out completion.
67. system as claimed in claim 58, which is characterized in that when described problem type is entity type, the generation Submodule specifically includes:
First generation unit, for generating entity class problem information according to described problem information;
Expanding element, for based on search engine collecting abstract and history show daily record and the entity class problem information carried out Extension is to generate entity problem information cluster of the same clan, wherein the entity problem information cluster of the same clan corresponds to candidate answers respectively;
Extracting unit extracts candidate entity for being corresponded to respectively from the entity problem information cluster of the same clan in candidate answers;
First computing unit, the confidence level for calculating the candidate entity;And
First feedback unit, the candidate entity for the confidence level to be more than to default confidence threshold value are carried out as question and answer result Feedback.
68. system as claimed in claim 58, which is characterized in that when described problem type is viewpoint type, the generation Submodule specifically includes:
First acquisition unit, for obtaining the corresponding candidate answers of described problem information;
First cutting unit, for carrying out cutting to the candidate answers to generate multiple candidate answers short sentences;
First polymerized unit polymerize cluster for being polymerize to the multiple candidate answers short sentence to generate viewpoint;
Judging unit, for judging that the viewpoint polymerize the viewpoint type of cluster;
Selecting unit selects answer viewpoint for polymerizeing in cluster from the viewpoint according to the viewpoint type, and described in generation The corresponding abstract of answer viewpoint;
Score feedback unit, and for scoring the answer viewpoint, and the answer by scoring more than default scoring threshold value is seen Point is fed back as question and answer result.
69. system as recited in claim 68, which is characterized in that first polymerized unit is specifically used for:
The keyword in the multiple candidate answers short sentence is extracted, and calculates the vector angle between keyword described in each two And/or semantic similarity, and predetermined angle or semantic similarity are less than more than described in predetermined threshold value to the vector angle Candidate answers are polymerize polymerize cluster to generate viewpoint.
70. system as claimed in claim 58, which is characterized in that when described problem type is clip types, the generation Submodule specifically includes:
Second acquisition unit, for obtaining the corresponding candidate answers of described problem information;
Second cutting unit, for carrying out cutting to the candidate answers to generate multiple candidate answers short sentences;
Marking unit, for carrying out importance marking to the multiple candidate answers short sentence to generate the candidate answers short sentence pair The short sentence importance feature answered;
Second generation unit, for generating answer abstract according to the short sentence importance feature;
First sequencing unit, the short sentence importance feature for being made a summary according to the answer gives a mark to answer quality, and root Candidate answers are ranked up according to marking result;
Second feedback unit, for being fed back ranking results as question and answer result.
71. the system as described in claim 70, which is characterized in that the marking unit is specifically used for:
According to the abundant of the short sentence importance feature of answer abstract, answer authority, the correlation of problem information and answer Degree gives a mark to answer quality.
72. the system as described in claim 70, which is characterized in that first sequencing unit is specifically used for:
Obtain the behavioral data of user, and according to the behavioral data of the user and the marking result to the candidate answers into Row sequence.
73. such as claim 58-72 any one of them systems, which is characterized in that described information search service module is specific to wrap It includes:
Second receiving submodule, for receiving described problem information;
First search submodule, for being scanned for according to described problem information to generate multiple candidate web pages;
Analysis feedback submodule for carrying out discourse analysis to the candidate web pages to generate corresponding abstract, and abstract is made It is fed back for question and answer result.
74. the system as described in claim 73, which is characterized in that analysis feedback submodule specifically includes:
Analytic unit, for carrying out discourse analysis to candidate web pages to generate corresponding candidate chapter;
Second sequencing unit, for carrying out marking sequence to the sentence in the candidate chapter;And
Third generation unit, for generating abstract according to marking ranking results.
75. the system as described in claim 74, which is characterized in that the third generation unit is specifically used for:
The demand scene information of user is obtained, and is plucked according to described in the demand scene information and marking ranking results generation It wants.
76. the system as described in claim 74, which is characterized in that submodule is fed back in the analysis, further includes:
Second polymerized unit polymerize for the information to multiple candidate chapters.
77. system as claimed in claim 58, which is characterized in that the chatting service subsystem specifically includes:
First receiving module, for receiving input information input by user;
Second distribution module, for the input information to be distributed to chatting service module;
Second receiving module, the candidate reply returned for receiving multiple chatting service modules, wherein candidate reply has Corresponding confidence level;
Sorting module is ranked up candidate reply for being based on the confidence level, and is generated and chatted according to ranking results Information, and provide the chat message to the user.
78. the system as described in claim 77, which is characterized in that further include:
Correction module, for it is described receive input information input by user after, to the input information carry out error correction and/or It rewrites.
79. the system as described in claim 77, which is characterized in that further include:
Analysis module, for after the reception input information input by user, domain analysis to be carried out to the input information To obtain the corresponding field of the input information;
Second distribution module, for the input information to be distributed to phase according to the input information corresponding field The chatting service module in same or close field.
80. the system as described in claim 77, which is characterized in that further include:
5th acquisition module, for after the reception input information input by user, acquisition to be chatted upper with the user Literary information;
First judgment module, the dependence for judging the input information and the information above according to the information above Whether preset relation threshold value is more than;And
Completion module, for being more than the preset relation threshold value when the dependence of the input information and the information above When, completion is carried out to the input information according to the information above.
81. the system as described in claim 80, which is characterized in that further include:
6th acquisition module, for according to the current topic information of user described in the acquisition of information above.
82. the system as described in claim 77, which is characterized in that the chatting service module includes the chat mould based on search It is one or more in block, rich knowledge chat module, the chat module based on portrait and the chat module based on crowdsourcing.
83. the system as described in claim 82, which is characterized in that the chat module based on search specifically includes:
Cutting word submodule, for carrying out cutting word to the input information to generate multiple chat short sentences;
Inquire submodule, for according to the multiple chat short sentence inquiry chat corpus to generate sentence on multiple chat language materials, And sentence under the corresponding multiple chat language materials of sentence on the multiple chat language material;
Filter submodule, for being filtered to sentence on the multiple chat language material;
Classification submodule, for classifying to sentence under the corresponding chat language material of sentence on the chat language material after filtering;And
First reorders submodule, is tied for reordering to sentence under the chat language material after classification, and according to sequence Fruit generates the candidate reply.
84. the system as described in claim 83, which is characterized in that the filter submodule specifically includes:
Second computing unit, for calculating the similarity on the input information and the multiple chat language material between sentence;
Filter element, if being less than the first default similarity threshold for the similarity, by sentence on corresponding chat language material Filtering;And
Stick unit is chatted if being greater than or equal to the described first default similarity threshold for the similarity by corresponding Sentence retains on its language material.
85. the system as described in claim 83, which is characterized in that the classification submodule specifically includes:
Third computing unit, for calculating the similarity under the input information and the multiple chat language material between sentence;And
Taxon, for being classified to sentence under the multiple chat language material according to the similarity.
86. the system as described in claim 85, which is characterized in that under the input information and the multiple chat language material sentence it Between similarity include:
Similarity literal between sentence under the input information and the chat language material;
Alternatively, the input information and the similarity that sentence is trained based on deep neural network under the chat language material;
Alternatively, the input information and the similarity that sentence is trained based on Machine Translation Model under the chat language material.
87. the system as described in claim 83, which is characterized in that described first reorders submodule, specifically includes:
Third acquiring unit, the chat attribute of user described in the acquisition of information above for being chatted according to the user;
Reorder unit, for according to the chat attribute to sentence under the chat language material after the classification into rearrangement Sequence.
88. the system as described in claim 82, which is characterized in that the richness knowledge chat module specifically includes:
Second search submodule, for according to the input information generate search term, and according to described search word scan for Generate multiple search results;
Submodule is extracted, for carrying out sentence extraction to the multiple search result, to obtain candidate sentences set;
Submodule is rewritten, for being rewritten to the sentence in the candidate sentences set to generate the candidate reply.
89. the system as described in claim 88, which is characterized in that the sentence in the candidate sentences set and described search word Similarity be more than the second default similarity threshold.
90. the system as described in claim 88, which is characterized in that further include:
Second reorders submodule, for being carried out to the sentence in the candidate sentences set according to the chat attribute of the user It reorders.
91. the system as described in claim 82, which is characterized in that the chat module based on portrait specifically includes:
Second acquisition submodule, the chat context for obtaining the user;
First judging submodule, for judging whether to meet collection condition according to the chat context;
Sending submodule, for if it is determined that meeting the collection condition, then to user transmission problem;
First update submodule, for receiving answer information of the user according to described problem, and according to the answer information User's portrait model is updated.
92. the system as described in claim 82, which is characterized in that the chat module based on portrait specifically includes:
Third acquisition submodule, the chat content for obtaining the user;
Extracting sub-module, for extracting user's representation data according to the chat content;
Second update submodule, for being updated to user's portrait model according to user's representation data of extraction.
93. the system as described in claim 82, which is characterized in that the chat module based on crowdsourcing is specifically used for:
Judge that the input information is completed if appropriate for crowdsourcing, if it is determined that being suitble to crowdsourcing to complete, then by the input information point It is sent to corresponding executor, and receives the return information of the executor, and Quality estimation is carried out to the return information, such as Fruit meets quality requirement, then using the return information as the candidate reply.
94. the system as described in claim 77, which is characterized in that the chatting service subsystem further includes:
Second judgment module, for judging whether the input information belongs to the chat message of no actual content;
7th acquisition module, for if it is determined that be the chat message for belonging to no actual content, then obtaining actualite;
First generation module, for generating guiding topic according to the actualite;And
Second generation module, for generating the candidate reply according to the guiding topic.
95. the system as described in claim 77, which is characterized in that the sorting module is specifically used for:
The feature of the input information of the user is obtained, and the feature based on the input information and the confidence level are to institute Candidate reply is stated to be ranked up.
96. system as claimed in claim 58, which is characterized in that the guiding and recommendation service subsystem specifically include:
Determining module determines actualite for receiving interactive information input by user, and according to the interactive information;
Module is obtained, for obtaining the multiple and relevant guiding topic to be selected of the actualite based on topic collection of illustrative plates, wherein institute It includes the incidence relation between multiple topics and the topic to state topic collection of illustrative plates;
8th acquisition module, user's representation data for obtaining the user;And
Feedback module, for being talked about from the multiple with the relevant guiding to be selected of the actualite according to user's representation data Selection guiding topic in topic, and guide topic to described in the user feedback.
97. the system as described in claim 96, which is characterized in that further include:
Module is established, the multiple and actualite is obtained for being based on topic collection of illustrative plates in the guiding and recommendation service subsystem Before relevant guiding topic to be selected, the topic collection of illustrative plates is established.
98. the system as described in claim 97, which is characterized in that it is described to establish module, it specifically includes:
4th acquisition submodule, for obtaining topic associated data;And
Setting up submodule, for establishing the topic collection of illustrative plates according to the topic associated data.
99. the system as described in claim 98, which is characterized in that the 4th acquisition submodule is specifically used for:
Obtain network text data;
When the network text data is unstructured data, the topic is obtained with syntactic analysis based on entity extraction and is associated with Data;Or
When the network text data is semi-structured data, obtained based on page layout analysis, tag extraction, Entity recognition The topic associated data;Or
When the network text data is structural data, the topic associated data is obtained from knowledge mapping.
100. the system as described in claim 98, which is characterized in that the 4th acquisition submodule is specifically used for:
The search behavior data of the user are obtained, and corresponding object search is obtained according to described search behavioral data, and The topic associated data is generated according to described search object;Or
Obtain the navigation patterns data of the user, and according to the corresponding browsing object of the navigation patterns data acquisition, according to The browsing object generates the topic associated data.
101. the system as described in claim 98, which is characterized in that the setting up submodule is specifically used for:
By one or more in RandomWalk algorithms, association analysis algorithm, collaborative filtering, closed according to the topic Connection data establish the topic collection of illustrative plates.
102. the system as described in claim 96, which is characterized in that the determining module is specifically used for:
Demand identification and correlation calculations are carried out with the determination actualite to the interactive information.
103. the system as described in claim 96, which is characterized in that the feedback module is specifically used for:
The intent information of the user is determined according to the contextual information of user's representation data and the interactive information, and It is talked about from the multiple with selection guiding in the relevant guiding topic to be selected of the actualite according to the intent information of the user Topic, and guide topic to described in the user feedback.
104. the system as described in claim 96, which is characterized in that further include:
Parsing module for being parsed to the interactive information, and obtains the critical field in the interactive information, the pass Key field include temporal information, location information, reminder events it is one or more;
Reminding module is established, for establishing prompting message according to the critical field;
Reminding module, for when the temporal information reaches preset time, the prompting message to be sent to user.
105. system as claimed in claim 58, which is characterized in that further include:
Recording subsystem, if for there is no the users for meeting the user demand to return the result in Internet resources, Then record the input information of the user;
Monitor And Control Subsystem meets for monitoring to whether there is in the Internet resources with predetermined period described in the user demand User returns the result;
Subsystem is provided, is additionally operable in the presence of the user returns the result, the user is returned the result and is provided to the use Family.
106. system as claimed in claim 58, which is characterized in that the vertical class service module specifically includes:
5th acquisition submodule, for obtaining query word input by user;
Determination sub-module, the vertical class belonged to for determining the query word;
Interaction submodule, in the vertical class that the query word belongs to, the interaction of at least one wheel being carried out with user, obtains user The query result needed, wherein when often wheel interaction, show the information of user to include:The query result of corresponding query word, with And guidance information.
107. according to the system described in claim 106, which is characterized in that the query word is that natural language indicates, described Interaction submodule, specifically includes:
Resolution unit, the vertical class knowledge hierarchy for the query word to be resolved to the vertical class that the query word belongs to can indicate Structured message;
4th acquiring unit is used for according to the structured message, the vertical class knowledge hierarchy, and, the query word belongs to Vertical class vertical class resources bank, obtain relevant information, the relevant information includes:The query result of the corresponding query word, with And guidance information;
Display unit, for showing the query result and the guidance information to user;
5th acquiring unit, for after user is according to the guidance information again input inquiry word, repeating above-mentioned according to inquiry Word obtains the flow of relevant information, until obtaining the query result of user's needs.
108. according to the system described in claim 107, which is characterized in that the 4th acquiring unit specifically includes:
Subelement is updated, for according to the structured message and the previous status information of user, updating the current shape of user State information;
Subelement is generated, for according to the vertical class knowledge hierarchy and the vertical class resources bank, generating the current state information Corresponding candidate actions;
Coupling subelement, for being selected in the candidate actions and the current state information matching degree according to preset model The candidate actions for the predetermined number being greater than the set value, using the candidate actions selected as relevant information.
109. according to the system described in claim 108, which is characterized in that further include:
Undated parameter unit, for the parameter according to the feedback update preset model of user, so that simultaneous selection is not in parameter Same candidate actions.
110. according to the system described in claim 108, which is characterized in that further include:
Subelement is obtained, for the preference or interactive history according to user, obtains the init state information of user.
111. according to the system described in claim 108, which is characterized in that the candidate actions include:Meet user demand Action, alternatively, the further action of clarification user demand, alternatively, guidance information laterally or longitudinally is provided for user demand, In, user demand is determined according to query word, the action for meeting user demand, alternatively, further clarifying the dynamic of user demand Make, as query result after being selected, guidance information laterally or longitudinally to be provided after being selected as guiding for user demand Information.
112. according to the system described in claim 107, which is characterized in that further include:
Component units, unstructured resource and unstructured resources for obtaining the vertical class that the query word belongs to, by the knot Structure resource and the unstructured resources form the vertical class resources bank, wherein the unstructured resource is from multiple correspondences Vertical class website crawl integral data after obtained all light data resource, the unstructured resources are according to user's query word or mutually The supplement or extension information for the unstructured resource that networking text mining obtains.
113. according to claim 106-112 any one of them systems, which is characterized in that the 5th acquisition submodule, tool Body is used for:
Obtain the query word that user is inputted with text, voice or image.
114. according to claim 106-113 any one of them systems, which is characterized in that the determination sub-module is specific to use In:
Based on machine learning mode, alternatively, being based on pattern analysis mode, the vertical class that the query word belongs to is determined.
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